APA aipamena

Frey, L. R., Botan, C. H., & Kreps, G. L. (2000). Investigating communication: An introduction to research methods (2nd ed.). Allyn and Bacon.

Chicago Style aipamena

Frey, Lawrence R., Carl H. Botan, and Gary L. Kreps. Investigating Communication: An Introduction to Research Methods. 2nd ed. Boston: Allyn and Bacon, 2000.

MLA aipamena

Frey, Lawrence R., et al. Investigating Communication: An Introduction to Research Methods. 2nd ed. Allyn and Bacon, 2000.