APA Format
Willett, Walter . (). Nutritional... : Reproducibility and validity of food frequency questionnaires, ( Lihat Bab. 6 ) ( halaman 96-141 ). : New York: Oxford University Press 1998
MLA Format
Willett, Walter . Nutritional... : Reproducibility and validity of food frequency questionnaires, ( Lihat Bab. 6 ) ( halaman 96-141 ). : New York: Oxford University Press 1998,
Australian/Harvard Format
Willett, Walter . . Nutritional... : Reproducibility and validity of food frequency questionnaires, ( Lihat Bab. 6 ) ( halaman 96-141 ). New York: Oxford University Press 1998, 
Warning: These citations may not always be 100% accurate.