Deismireacht APA

Willis, G. B. (2005). Cognitive interviewing: A tool for improving questionnaire design. Sage Publications.

Chicago Edition Citation

Willis, Gordon B. Cognitive Interviewing: A Tool for Improving Questionnaire Design. Thousand Oaks, Calif.: Sage Publications, 2005.

Deismireacht MLA

Willis, Gordon B. Cognitive Interviewing: A Tool for Improving Questionnaire Design. Sage Publications, 2005.

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