Dyfyniad APA

Gossel, P. (1991). Architecture in the twentieth century. Benedikt Taschen.

Dyfyniad Arddull Chicago

Gossel, Peter. Architecture in the Twentieth Century. Cologne, Germany: Benedikt Taschen, 1991.

Dyfyniad MLA

Gossel, Peter. Architecture in the Twentieth Century. Benedikt Taschen, 1991.

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