Cita APA (7th ed.)

SCHUMAN, H., & Presser,Stanley. (1981). Questions and answers in attitude surveys: Experiments on question form, wording and context,. Academic Pr.

Cita Chicago (17th ed.)

SCHUMAN, Howard, i Presser,Stanley. Questions and Answers in Attitude Surveys: Experiments on Question Form, Wording and Context,. Orlando, Florida: Academic Pr, 1981.

Cita MLA (9th ed.)

SCHUMAN, Howard, i Presser,Stanley. Questions and Answers in Attitude Surveys: Experiments on Question Form, Wording and Context,. Academic Pr, 1981.