Dyfyniad APA

(1999). Practical approaches to the conservation of biological: Diversity. Island Pr.

Dyfyniad Arddull Chicago

Practical Approaches to the Conservation of Biological: Diversity. Washington, D. C: Island Pr, 1999.

Dyfyniad MLA

Practical Approaches to the Conservation of Biological: Diversity. Island Pr, 1999.

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