APA-referens (7:e uppl.)

Heidenheimer, A. J. (1961). The governments of Germany. Thomas Y. Crowell.

Chicago-referens (17:e uppl.)

Heidenheimer, Arnold J. The Governments of Germany. Nueva York: Thomas Y. Crowell, 1961.

MLA-referens (9:e uppl.)

Heidenheimer, Arnold J. The Governments of Germany. Thomas Y. Crowell, 1961.