APA (7th ed.) Zitazioa
Clark, G. (2015). The making of a world city: London 1991 to 2021. Wiley Blackwell.
Chicago Style (17th ed.) Zitazioa
Clark, Greg. The Making of a World City: London 1991 to 2021. Chichester, England: Wiley Blackwell, 2015.
MLA (9th ed.) Zitazioa
Clark, Greg. The Making of a World City: London 1991 to 2021. Wiley Blackwell, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.