Schöppe, K. (1931). Alt-Naumburg. Sieling.
Cita Chicago (17th ed.)Schöppe, Karl. Alt-Naumburg. Naumburg: Sieling, 1931.
Cita MLA (8th ed.)Schöppe, Karl. Alt-Naumburg. Sieling, 1931.
Atenció: Aquestes cites poden no estar 100% correctes.
Schöppe, K. (1931). Alt-Naumburg. Sieling.
Cita Chicago (17th ed.)Schöppe, Karl. Alt-Naumburg. Naumburg: Sieling, 1931.
Cita MLA (8th ed.)Schöppe, Karl. Alt-Naumburg. Sieling, 1931.