Παραπομπή APA

Baumgart, W. (1976). A Catalogue Works on History of Germany. Verlag Ullstein.

Παραπομπή Chicago Style

Baumgart, Winfried. A Catalogue Works on History of Germany. Frankfurt: Verlag Ullstein, 1976.

Παραπομπή MLA

Baumgart, Winfried. A Catalogue Works on History of Germany. Verlag Ullstein, 1976.