APA-referens (7:e uppl.)

Brock, G. D. (1932). Health through projects. A.S. Barnes and Co..

Chicago-referens (17:e uppl.)

Brock, George Delangacy. Health Through Projects. New York: A.S. Barnes and Co., 1932.

MLA-referens (8:e uppl.)

Brock, George Delangacy. Health Through Projects. A.S. Barnes and Co., 1932.