Não informado. (1957). Tobacco abstracts: Citations and abstracts; world literature onnicotiana. Tobacco Literature Service.
Chicago (17e ed.) BronvermeldingNão informado. Tobacco Abstracts: Citations and Abstracts; World Literature Onnicotiana. Raleigh, NC: Tobacco Literature Service, 1957.
MLA (8e ed.) BronvermeldingNão informado. Tobacco Abstracts: Citations and Abstracts; World Literature Onnicotiana. Tobacco Literature Service, 1957.
Let op: Deze citaties zijn niet altijd 100% accuraat.