APA-referens (7:e uppl.)

Bellamy, R. F. (1956). A preface to the social sciences. McGraw-Hill.

Chicago-referens (17:e uppl.)

Bellamy, Raymond F. A Preface to the Social Sciences. New York: McGraw-Hill, 1956.

MLA-referens (8:e uppl.)

Bellamy, Raymond F. A Preface to the Social Sciences. McGraw-Hill, 1956.