Wurtzen Alan. (1998). Introducing Mass Communication (6th ed.). Mc Graw Hill.
Chicago Style (17th ed.) ZitazioaWurtzen Alan. Introducing Mass Communication. 6th ed. New York: Mc Graw Hill, 1998.
MLA (9th ed.) ZitazioaWurtzen Alan. Introducing Mass Communication. 6th ed. Mc Graw Hill, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.