Mangoine, T. W. (1995). Mail surveys: Improving the quality V. 40. Sage Publications.
Chicago Edition CitationMangoine, Thomas W. Mail Surveys: Improving the Quality V. 40. New Delhi: Sage Publications, 1995.
Cita MLAMangoine, Thomas W. Mail Surveys: Improving the Quality V. 40. Sage Publications, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.