Tohutoro APA (7th ed.)
Saris, W. E., & Gallhofer, I. (2014). Design, evaluation, and analysis of questionnaires for survey research (Second edition.). John Wiley & Sons.
Tohutoru Kātū Chicago (17th ed.)
Saris, Willem E., me Irmtraud Gallhofer. Design, Evaluation, and Analysis of Questionnaires for Survey Research. Second edition. Hoboken, New Jersey: John Wiley & Sons, 2014.
Tohutoro MLA (9th ed.)
Saris, Willem E., me Irmtraud Gallhofer. Design, Evaluation, and Analysis of Questionnaires for Survey Research. Second edition. John Wiley & Sons, 2014.
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