Dyfyniad APA

Pridgeon, A. (2003). The illustrated encyclopedia of orchids. Timber Press.

Dyfyniad Arddull Chicago

Pridgeon, Alec. The Illustrated Encyclopedia of Orchids. Timber Press, 2003.

Dyfyniad MLA

Pridgeon, Alec. The Illustrated Encyclopedia of Orchids. Timber Press, 2003.

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