Não informado. (1935). American cattle producer. American National Livestock Association.
Chicago (17e ed.) BronvermeldingNão informado. American Cattle Producer. Denver, Colo: American National Livestock Association, 1935.
MLA (8e ed.) BronvermeldingNão informado. American Cattle Producer. American National Livestock Association, 1935.
Let op: Deze citaties zijn niet altijd 100% accuraat.