APA aipamena

Abel, C. (2003). Sky high: Vertical architecture. Royal Academy of Arts.

Chicago Style aipamena

Abel, Chris. Sky High: Vertical Architecture. London: Royal Academy of Arts, 2003.

MLA aipamena

Abel, Chris. Sky High: Vertical Architecture. Royal Academy of Arts, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.