APA-referens

Gabler, R. E. (2007). Essentials of physical geography. Australia: Thomson Brooks/cole.

Chicago-stil citat

Gabler, Robert E. Essentials of Physical Geography. Australia: Thomson Brooks/cole, 2007.

MLA-referens

Gabler, Robert E. Essentials of Physical Geography. Australia: Thomson Brooks/cole, 2007.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.