Dyfyniad APA

Hers, D., & Tasa, D. (2014). Mcknights physical geography : a landscape: Appreciation (11th ed.). Person.

Dyfyniad Arddull Chicago

Hers, Darrel, and Dannis Tasa. Mcknights Physical Geography : a Landscape: Appreciation. 11th ed. Edinburgh: Person, 2014.

Dyfyniad MLA

Hers, Darrel, and Dannis Tasa. Mcknights Physical Geography : a Landscape: Appreciation. 11th ed. Person, 2014.

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