APA (7th ed.) Zitazioa
Willis, D. (1999). The emerald city and other essays on the architectural imagination. Princeton Architectural Press.
Chicago Style (17th ed.) Zitazioa
Willis, Daniel. The Emerald City and Other Essays on the Architectural Imagination. New York: Princeton Architectural Press, 1999.
MLA (9th ed.) Zitazioa
Willis, Daniel. The Emerald City and Other Essays on the Architectural Imagination. Princeton Architectural Press, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.