APA aipamena

SONGEL JUAN MARIA. (2010). CONVERSATION WITH FREI OTTO. PRINCETON ARCHITECTURAL PRESS/NEW YORK.

Chicago Style aipamena

SONGEL JUAN MARIA. CONVERSATION WITH FREI OTTO. PRINCETON ARCHITECTURAL PRESS/NEW YORK, 2010.

MLA aipamena

SONGEL JUAN MARIA. CONVERSATION WITH FREI OTTO. PRINCETON ARCHITECTURAL PRESS/NEW YORK, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.