Huybrechts, I.;                     De Backer, G.;                     De Bacquer, D.;                     Maes, L.;                     De Henauw, S.    
        Relative Validity and Reproducibility of a Food-Frequency Questionnaire for Estimating Food Intakes among Flemish Preschoolers. Int. J. Environ. Res. Public Health 2009, 6, 382-399.
    https://doi.org/10.3390/ijerph6010382
    AMA Style
    
                                Huybrechts I,                                 De Backer G,                                 De Bacquer D,                                 Maes L,                                 De Henauw S.        
                Relative Validity and Reproducibility of a Food-Frequency Questionnaire for Estimating Food Intakes among Flemish Preschoolers. International Journal of Environmental Research and Public Health. 2009; 6(1):382-399.
        https://doi.org/10.3390/ijerph6010382
    
    Chicago/Turabian Style
    
                                Huybrechts, Inge,                                 Guy De Backer,                                 Dirk De Bacquer,                                 Lea Maes,                                 and Stefaan De Henauw.        
                2009. "Relative Validity and Reproducibility of a Food-Frequency Questionnaire for Estimating Food Intakes among Flemish Preschoolers" International Journal of Environmental Research and Public Health 6, no. 1: 382-399.
        https://doi.org/10.3390/ijerph6010382
    
    APA Style
    
                                Huybrechts, I.,                                 De Backer, G.,                                 De Bacquer, D.,                                 Maes, L.,                                 & De Henauw, S.        
        
        (2009). Relative Validity and Reproducibility of a Food-Frequency Questionnaire for Estimating Food Intakes among Flemish Preschoolers. International Journal of Environmental Research and Public Health, 6(1), 382-399.
        https://doi.org/10.3390/ijerph6010382