Hansen, A. (1998). Mass communication research methods. New York University Press.
Chicago Style (17th ed.) ZitazioaHansen, Anders. Mass Communication Research Methods. New York: New York University Press, 1998.
MLA (9th ed.) ZitazioaHansen, Anders. Mass Communication Research Methods. New York University Press, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.