Dyfyniad APA

(1973). Dictionary of the flowering plants and ferns (8th ed.). International Book Distributor.

Dyfyniad Arddull Chicago

Dictionary of the Flowering Plants and Ferns. 8th ed. Dehradun: International Book Distributor, 1973.

Dyfyniad MLA

Dictionary of the Flowering Plants and Ferns. 8th ed. International Book Distributor, 1973.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.