Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.