Dyfyniad APA

Thomas, D. S. G. (2016). The dictionary of physical geography (4th ed.). John Wiley & Sons Inc.

Dyfyniad Arddull Chicago

Thomas, David S. G. The Dictionary of Physical Geography. 4th ed. Hoboken, NJ: John Wiley & Sons Inc, 2016.

Dyfyniad MLA

Thomas, David S. G. The Dictionary of Physical Geography. 4th ed. John Wiley & Sons Inc, 2016.

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