APA-referens (7:e uppl.)

Gottmann, J. (1962). A geography of Europe (3rd ed.). Holt, Rinehard and Winston.

Chicago-referens (17:e uppl.)

Gottmann, Jean. A Geography of Europe. 3rd ed. New York: Holt, Rinehard and Winston, 1962.

MLA-referens (9:e uppl.)

Gottmann, Jean. A Geography of Europe. 3rd ed. Holt, Rinehard and Winston, 1962.