APA-referens (7:e uppl.)

Kulp, D. H. (1938). Introductory sociology for students of nursing. Macmillan.

Chicago-referens (17:e uppl.)

Kulp, Daniel Harrison. Introductory Sociology for Students of Nursing. New York: Macmillan, 1938.

MLA-referens (9:e uppl.)

Kulp, Daniel Harrison. Introductory Sociology for Students of Nursing. Macmillan, 1938.