Leick, G. (2002). Mesopotamia: The invention of the city. Penguin.
Chicago Style aipamenaLeick, Gwendolyn. Mesopotamia: The Invention of the City. London: Penguin, 2002.
MLA aipamenaLeick, Gwendolyn. Mesopotamia: The Invention of the City. Penguin, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.