Não informado. (1929). Dairy Council Digest. National Dairy Council, Nutrition Research Division and Library.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Dairy Council Digest. Chicago, Ill: National Dairy Council, Nutrition Research Division and Library, 1929.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Dairy Council Digest. National Dairy Council, Nutrition Research Division and Library, 1929.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.