Altschull, H. J. (1995). Agents of power (2.). Longman.
Chicago Style aipamenaAltschull, Herbert J. Agents of Power. 2. New York: Longman, 1995.
MLA aipamenaAltschull, Herbert J. Agents of Power. 2. Longman, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.