APA (7th ed.) Zitazioa
Maitland, B. Concepts of urban design.
Chicago Style (17th ed.) Zitazioa
Maitland, Barry. Concepts of Urban Design.
MLA (9th ed.) Zitazioa
Maitland, Barry. Concepts of Urban Design.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.