APA aipamena

Mangione, T. W. (1995). Mail surveys: Improving the quality. Sage.

Chicago Style aipamena

Mangione, Thomas W. Mail Surveys: Improving the Quality. Thousand Oaks, Calif: Sage, 1995.

MLA aipamena

Mangione, Thomas W. Mail Surveys: Improving the Quality. Sage, 1995.