Dyfyniad APA

Roff, J., & Zacharias, M. (2011). Marine conservation ecology. Earthscan.

Dyfyniad Arddull Chicago

Roff, John, and Mark Zacharias. Marine Conservation Ecology. London: Earthscan, 2011.

Dyfyniad MLA

Roff, John, and Mark Zacharias. Marine Conservation Ecology. Earthscan, 2011.

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