APA (7e ed.) Bronvermelding

Ropke, W., & Dickes, E. W. (1947). The solution of the German problem. G.P. Putnam's Sons.

Chicago (17e ed.) Bronvermelding

Ropke, Wilhelm, en E. W. Dickes. The Solution of the German Problem. New York: G.P. Putnam's Sons, 1947.

MLA (8e ed.) Bronvermelding

Ropke, Wilhelm, en E. W. Dickes. The Solution of the German Problem. G.P. Putnam's Sons, 1947.