Não informado. (1968). Health aspects of pesticides. U.S. Public Health Service, Pesticides Program.
Chicago (17e ed.) BronvermeldingNão informado. Health Aspects of Pesticides. Atlanta, Ga: U.S. Public Health Service, Pesticides Program, 1968.
MLA (8e ed.) BronvermeldingNão informado. Health Aspects of Pesticides. U.S. Public Health Service, Pesticides Program, 1968.
Let op: Deze citaties zijn niet altijd 100% accuraat.