APA-referens (7:e uppl.)

Welch, S., & Comer, J. (1975). Public opinion: Its formation, measurement, and impact. Mayfield.

Chicago-referens (17:e uppl.)

Welch, Susan, och John Comer. Public Opinion: Its Formation, Measurement, and Impact. Palo Alto, Calif: Mayfield, 1975.

MLA-referens (9:e uppl.)

Welch, Susan, och John Comer. Public Opinion: Its Formation, Measurement, and Impact. Mayfield, 1975.