एपीए उद्धरण

Droege, G. (1972). German Economic and Social History. Verlag Ullstein.

शिकागो स्टाइल उद्धरण

Droege, Georg. German Economic and Social History. Frankfurt: Verlag Ullstein, 1972.

एमएलए उद्धरण

Droege, Georg. German Economic and Social History. Verlag Ullstein, 1972.