APA aipamena

Sullivan, T. J., & Thomas J. Sullivan. Methods of social research. Oxford,New York: Pergamon Press.

Chicago Style aipamena

Sullivan, Thomas J., và Thomas J. Sullivan. Methods of Social Research. Oxford,New York: Pergamon Press.

MLA aipamena

Sullivan, Thomas J., và Thomas J. Sullivan. Methods of Social Research. Oxford,New York: Pergamon Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.