Oppenheim, A. N. (1994). Questionnaire design, interviewing and attitude measurement (New ed., repr.). Pinter.
Chicago Style (17th ed.) CitationOppenheim, Abraham N. Questionnaire Design, Interviewing and Attitude Measurement. New ed., repr. London [u.a.]: Pinter, 1994.
MLA (9th ed.) CitationOppenheim, Abraham N. Questionnaire Design, Interviewing and Attitude Measurement. New ed., repr. Pinter, 1994.
Warning: These citations may not always be 100% accurate.