Não informado. (1973). Asher's guide to botanical periodicals. Asher.
Chicagoスタイル(17版)引用形式Não informado. Asher's Guide to Botanical Periodicals. Amsterdam: Asher, 1973.
MLA(8版)引用形式Não informado. Asher's Guide to Botanical Periodicals. Asher, 1973.
警告: この引用は必ずしも正確ではありません.