Não informado. (1957). Tobacco abstracts: Citations and abstracts; world literature onnicotiana. Tobacco Literature Service.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Tobacco Abstracts: Citations and Abstracts; World Literature Onnicotiana. Raleigh, NC: Tobacco Literature Service, 1957.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Tobacco Abstracts: Citations and Abstracts; World Literature Onnicotiana. Tobacco Literature Service, 1957.
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