APA (7th ed.) Zitazioa

Frankel, O. H. (1995). The conservation of plant biodiversity. Univ. Pr..

Chicago Style (17th ed.) Zitazioa

Frankel, Otto H. The Conservation of Plant Biodiversity. Cambridge: Univ. Pr., 1995.

MLA (9th ed.) Zitazioa

Frankel, Otto H. The Conservation of Plant Biodiversity. Univ. Pr., 1995.