APA aipamena

Westerfelt, A., & Dietz, T. J. (2005). Planning and conducting agency-based research. Boston: Pearson/A&B.

Chicago Style aipamena

Westerfelt, Alex, và Tracy J. Dietz. Planning and Conducting Agency-based Research. Boston: Pearson/A&B, 2005.

MLA aipamena

Westerfelt, Alex, và Tracy J. Dietz. Planning and Conducting Agency-based Research. Boston: Pearson/A&B, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.