APA (7th ed.) Zitazioa
Simpson, M. (1998). Cutting the clouds towards. Liverpool University Press.
Chicago Style (17th ed.) Zitazioa
Simpson, Matt. Cutting the Clouds Towards. Liverpool: Liverpool University Press, 1998.
MLA (9th ed.) Zitazioa
Simpson, Matt. Cutting the Clouds Towards. Liverpool University Press, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.