Dyfyniad APA
Brace, I. (2004). Questionnaire design: How to plan, structure and write survey material for effective market research (ed.). Kogan Page.
Dyfyniad Arddull Chicago
Brace, Ian. Questionnaire Design: How to Plan, Structure and Write Survey Material for Effective Market Research. ed. London: Kogan Page, 2004.
Dyfyniad MLA
Brace, Ian. Questionnaire Design: How to Plan, Structure and Write Survey Material for Effective Market Research. ed. Kogan Page, 2004.
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