Haedeke, H. (1973). Zinn. Koehler & Amelang.
Cita Chicago (17th ed.)Haedeke, Hanns-Ulrich. Zinn. Leipzig: Koehler & Amelang, 1973.
Cita MLA (8th ed.)Haedeke, Hanns-Ulrich. Zinn. Koehler & Amelang, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.