Dyfyniad APA

GOSSEL, P., & LEUTHOUSER, G. (1991). Architecture in the twentieth century. Taschen.

Dyfyniad Arddull Chicago

GOSSEL, Peter, and Gabriele LEUTHOUSER. Architecture in the Twentieth Century. Koln: Taschen, 1991.

Dyfyniad MLA

GOSSEL, Peter, and Gabriele LEUTHOUSER. Architecture in the Twentieth Century. Taschen, 1991.

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