Dyfyniad APA

Craghan, M. (2003). Physical geography: A self-teaching guide. Hoboken, NJ: Wiley.

Dyfyniad Arddull Chicago

Craghan, Michael. Physical Geography: A Self-teaching Guide. Hoboken, NJ: Wiley, 2003.

Dyfyniad MLA

Craghan, Michael. Physical Geography: A Self-teaching Guide. Hoboken, NJ: Wiley, 2003.

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