Não informado. (1937). Quarterly Bulletin of the Association of Food and Drug Officials of the United States. Association of Food and Drug Officials of the United States.
Chicago (17e ed.) BronvermeldingNão informado. Quarterly Bulletin of the Association of Food and Drug Officials of the United States. Denver, Colo: Association of Food and Drug Officials of the United States, 1937.
MLA (8e ed.) BronvermeldingNão informado. Quarterly Bulletin of the Association of Food and Drug Officials of the United States. Association of Food and Drug Officials of the United States, 1937.
Let op: Deze citaties zijn niet altijd 100% accuraat.