APA ציטוט

Sue, V. M., & Ritter, L. A. (2007). Conducting online surveys. Sage.

Chicago Style (17th ed.) Citation

Sue, Valerie M., and Lois A. Ritter. Conducting Online Surveys. Los Angeles, Calif: Sage, 2007.

ציטוט MLA

Sue, Valerie M., and Lois A. Ritter. Conducting Online Surveys. Sage, 2007.