Dyfyniad APA

Edited by Thomas, D. S. G. (2016). The dictionary of physical geography (4th ed.). Blackwell.

Dyfyniad Arddull Chicago

Edited by Thomas, David S. G. The Dictionary of Physical Geography. 4th ed. Hoboken: Blackwell, 2016.

Dyfyniad MLA

Edited by Thomas, David S. G. The Dictionary of Physical Geography. 4th ed. Blackwell, 2016.

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