(1975). Original Erzgebirge: DDR. Demusa.
Cita Chicago (17th ed.)Original Erzgebirge: DDR. Berlin: Demusa, 1975.
Cita MLA (8th ed.)Original Erzgebirge: DDR. Demusa, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.
(1975). Original Erzgebirge: DDR. Demusa.
Cita Chicago (17th ed.)Original Erzgebirge: DDR. Berlin: Demusa, 1975.
Cita MLA (8th ed.)Original Erzgebirge: DDR. Demusa, 1975.