APA (7th ed.) Zitazioa
Brace, I. (2008). Questionnaire design: How to plan, structure and write survey material for effective market research (2nd ed.). Kogan Page.
Chicago Style (17th ed.) Zitazioa
Brace, Ian. Questionnaire Design: How to Plan, Structure and Write Survey Material for Effective Market Research. 2nd ed. London ; Philadelphia: Kogan Page, 2008.
MLA (9th ed.) Zitazioa
Brace, Ian. Questionnaire Design: How to Plan, Structure and Write Survey Material for Effective Market Research. 2nd ed. Kogan Page, 2008.
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