APA-referens (7:e uppl.)

THEMES IN & HARVEY, M. E. (1981). Themes in geographic thought. Croom Helm.

Chicago-referens (17:e uppl.)

THEMES IN och Milton E. HARVEY. Themes in Geographic Thought. London: Croom Helm, 1981.

MLA-referens (9:e uppl.)

THEMES IN och Milton E. HARVEY. Themes in Geographic Thought. Croom Helm, 1981.