(1970). Hermann Kirchberger.
Cita Chicago (17th ed.)Hermann Kirchberger. Berlin, 1970.
Cita MLA (8th ed.)Hermann Kirchberger. 1970.
Atenció: Aquestes cites poden no estar 100% correctes.
(1970). Hermann Kirchberger.
Cita Chicago (17th ed.)Hermann Kirchberger. Berlin, 1970.
Cita MLA (8th ed.)Hermann Kirchberger. 1970.