Hart, J. (2008). Empires and colonies. Polity.
Chicago Style (17th ed.) ZitazioaHart, Jonathan. Empires and Colonies. Cambridge: Polity, 2008.
MLA (9th ed.) ZitazioaHart, Jonathan. Empires and Colonies. Polity, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.