Παραπομπή APA
Schuman, H., & Presser, S. (1996). Questions and answers in attitude surveys: Experiments on question form,wording, and context. London: Sage pub..
Παραπομπή Chicago StyleSchuman, Howard., and Stanley Presser. Questions and Answers in Attitude Surveys: Experiments On Question Form,wording, and Context. London: Sage pub., 1996.
Παραπομπή MLASchuman, Howard., and Stanley Presser. Questions and Answers in Attitude Surveys: Experiments On Question Form,wording, and Context. London: Sage pub., 1996.
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