Dyfyniad APA

Thomas,Peter. (2000). Trees: Their natural history. Cambridge University Press.

Dyfyniad Arddull Chicago

Thomas,Peter. Trees: Their Natural History. United Kingdom: Cambridge University Press, 2000.

Dyfyniad MLA

Thomas,Peter. Trees: Their Natural History. Cambridge University Press, 2000.

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