Hepp, J. (1963). Hepp'sche Familien-Nachrichten.
Cita Chicago (17th ed.)Hepp, Johannes. Hepp'sche Familien-Nachrichten. Köln-Deutz, 1963.
Cita MLA (8th ed.)Hepp, Johannes. Hepp'sche Familien-Nachrichten. 1963.
Atenció: Aquestes cites poden no estar 100% correctes.