Seminar on Fieldwork, Sampling and Questionnaire Design Amsterdam, Netherlands, & Esomar. (1974). Seminar on Fieldwork, Sampling and Questionnaire Design, Amsterdam (The Netherlands), 24th-27th October, 1973: [papers]. ESOMAR.
Chicago Style (17. basım) AtıfSeminar on Fieldwork, Sampling and Questionnaire Design Amsterdam, Netherlands, ve Esomar. Seminar on Fieldwork, Sampling and Questionnaire Design, Amsterdam (The Netherlands), 24th-27th October, 1973: [papers]. Amsterdam: ESOMAR, 1974.
MLA (8th ed.) AtıfSeminar on Fieldwork, Sampling and Questionnaire Design Amsterdam, Netherlands, ve Esomar. Seminar on Fieldwork, Sampling and Questionnaire Design, Amsterdam (The Netherlands), 24th-27th October, 1973: [papers]. ESOMAR, 1974.
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