Gaya APA
Oppenheim, A. N.. (2005).
Questionnaire design, interviewing, and attitude measurement (1).
New York:
Continuum.
Gaya Chicago
Oppenheim, A. N..
Questionnaire design, interviewing, and attitude measurement.
1
New York:
Continuum,
2005.
Text.
Gaya MLA
Oppenheim, A. N..
Questionnaire design, interviewing, and attitude measurement.
1
New York:
Continuum,
2005.
Text.
Gaya Turabian
Oppenheim, A. N..
Questionnaire design, interviewing, and attitude measurement.
1
New York:
Continuum,
2005.
Print.