Axford, B. (1997). Politics: An introduction. Routledge.
Chicago Style aipamenaAxford, Barrie. Politics: An Introduction. London ; New York: Routledge, 1997.
MLA aipamenaAxford, Barrie. Politics: An Introduction. Routledge, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.