Hague, R., & Martin Harrop, S. B. (1992). Comparative Government and Politics: An Introduction (3rd ed.). Macmillan Press ltd.
Chicago Style (17th ed.) ZitazioaHague, Rod, eta Shaun Breslin Martin Harrop. Comparative Government and Politics: An Introduction. 3rd ed. London: Macmillan Press ltd, 1992.
MLA (9th ed.) ZitazioaHague, Rod, eta Shaun Breslin Martin Harrop. Comparative Government and Politics: An Introduction. 3rd ed. Macmillan Press ltd, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.