Não informado. (1969). Food Science and Technology Abstracts. International Food Information Service.
Chicago (17e ed.) BronvermeldingNão informado. Food Science and Technology Abstracts. Sheffield, Inglaterra: International Food Information Service, 1969.
MLA (8e ed.) BronvermeldingNão informado. Food Science and Technology Abstracts. International Food Information Service, 1969.
Let op: Deze citaties zijn niet altijd 100% accuraat.