Dyfyniad APA

Mulvaney, K. (2001). At the ends of the earth: A history of the Polar regions. Washington: Island Press.

Dyfyniad Arddull Chicago

Mulvaney, Kieran. At the Ends of the Earth: A History of the Polar Regions. Washington: Island Press, 2001.

Dyfyniad MLA

Mulvaney, Kieran. At the Ends of the Earth: A History of the Polar Regions. Washington: Island Press, 2001.

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