(1961). Wilhelm Lehmbruck, 1881-1919.
Cita Chicago (17th ed.)Wilhelm Lehmbruck, 1881-1919. Frankfurt am Main, 1961.
Cita MLA (8th ed.)Wilhelm Lehmbruck, 1881-1919. 1961.
Atenció: Aquestes cites poden no estar 100% correctes.
(1961). Wilhelm Lehmbruck, 1881-1919.
Cita Chicago (17th ed.)Wilhelm Lehmbruck, 1881-1919. Frankfurt am Main, 1961.
Cita MLA (8th ed.)Wilhelm Lehmbruck, 1881-1919. 1961.