Dyfyniad APA

Sandra Holmes. (1983). Outline of plant classification. London: Longman.

Dyfyniad Arddull Chicago

Sandra Holmes. Outline of Plant Classification. London: Longman, 1983.

Dyfyniad MLA

Sandra Holmes. Outline of Plant Classification. London: Longman, 1983.

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