APA (7th ed.) Zitazioa
Knaack, U. (2014). Façades: Principles of construction (Second and revised edition.). Birkhäuser.
Chicago Style (17th ed.) Zitazioa
Knaack, Ulrich. Façades: Principles of Construction. Second and revised edition. Boston: Birkhäuser, 2014.
MLA (9th ed.) Zitazioa
Knaack, Ulrich. Façades: Principles of Construction. Second and revised edition. Birkhäuser, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.