Dyfyniad APA

Ropke, W. (1946). The Solution of the German Problem. New York: G. P. Putnam's Sons.

Dyfyniad Arddull Chicago

Ropke, Wilhelm. The Solution of the German Problem. New York: G. P. Putnam's Sons, 1946.

Dyfyniad MLA

Ropke, Wilhelm. The Solution of the German Problem. New York: G. P. Putnam's Sons, 1946.

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