Oppenheim, A. N. (1992). Questionnaire design, interviewing, and attitude measurement (New ed.). Pinter Publishers.
Chicago Style (17th ed.) CitationOppenheim, A. N. Questionnaire Design, Interviewing, and Attitude Measurement. New ed. London: Pinter Publishers, 1992.
MLA (9th ed.) CitationOppenheim, A. N. Questionnaire Design, Interviewing, and Attitude Measurement. New ed. Pinter Publishers, 1992.
Warning: These citations may not always be 100% accurate.