Dyfyniad APA

Primack, R. B. (2014). Essentials of conservation biology (Sixth edition.). Sinauer Associates, Inc., Publishers.

Dyfyniad Arddull Chicago

Primack, Richard B. Essentials of Conservation Biology. Sixth edition. Sunderland, Massachusetts: Sinauer Associates, Inc., Publishers, 2014.

Dyfyniad MLA

Primack, Richard B. Essentials of Conservation Biology. Sixth edition. Sinauer Associates, Inc., Publishers, 2014.

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