APA aipamena

Starke, L. (2007). State of the world 2007: Our urban future. W.W. Norton.

Chicago Style aipamena

Starke, Linda-ed. State of the World 2007: Our Urban Future. New York: W.W. Norton, 2007.

MLA aipamena

Starke, Linda-ed. State of the World 2007: Our Urban Future. W.W. Norton, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.