Não informado. (1982). International Journal of Crude Drug Research. Swets Publishing Service.
Chicago (17e ed.) BronvermeldingNão informado. International Journal of Crude Drug Research. Lisse, Holanda: Swets Publishing Service, 1982.
MLA (8e ed.) BronvermeldingNão informado. International Journal of Crude Drug Research. Swets Publishing Service, 1982.
Let op: Deze citaties zijn niet altijd 100% accuraat.