Dyfyniad APA

Primack, R. B. (2002). Essentials of conservation biology (3rd ed.). Sinauer Associates.

Dyfyniad Arddull Chicago

Primack, Richard B. Essentials of Conservation Biology. 3rd ed. Sundarland: Sinauer Associates, 2002.

Dyfyniad MLA

Primack, Richard B. Essentials of Conservation Biology. 3rd ed. Sinauer Associates, 2002.

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