APA (7th ed.) Zitazioa

Stern, K. R. (1994). Introductory plant biology. WCB.

Chicago Style (17th ed.) Zitazioa

Stern, Kingsley R. Introductory Plant Biology. Boulevard: WCB, 1994.

MLA (9th ed.) Zitazioa

Stern, Kingsley R. Introductory Plant Biology. WCB, 1994.