APA-referens (7:e uppl.)

Blalock, A. B. (1968). Methodology in social research. McGraw-Hill.

Chicago-referens (17:e uppl.)

Blalock, Ann B. Methodology in Social Research. New York: McGraw-Hill, 1968.

MLA-referens (9:e uppl.)

Blalock, Ann B. Methodology in Social Research. McGraw-Hill, 1968.