APA (7e ed.) Bronvermelding

Não informado. (1973). Asher's guide to botanical periodicals. Asher.

Chicago (17e ed.) Bronvermelding

Não informado. Asher's Guide to Botanical Periodicals. Amsterdam: Asher, 1973.

MLA (8e ed.) Bronvermelding

Não informado. Asher's Guide to Botanical Periodicals. Asher, 1973.

Let op: Deze citaties zijn niet altijd 100% accuraat.