SCHUMAN, H., & Presser,Stanley. (1981). Questions and answers in attitude surveys: Experiments on question form, wording and context,. Academic Pr.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)SCHUMAN, Howard, ба Presser,Stanley. Questions and Answers in Attitude Surveys: Experiments on Question Form, Wording and Context,. Orlando, Florida: Academic Pr, 1981.
MLA -ийн эшлэл (9 дэх хэвлэлт)SCHUMAN, Howard, ба Presser,Stanley. Questions and Answers in Attitude Surveys: Experiments on Question Form, Wording and Context,. Academic Pr, 1981.
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