Giehm, G. (1952). Was jeder Mann wissen muß: G. Giehm. Wilkens.
Cita Chicago (17th ed.)Giehm, Gerhard. Was Jeder Mann Wissen Muß: G. Giehm. Hannover: Wilkens, 1952.
Cita MLA (8th ed.)Giehm, Gerhard. Was Jeder Mann Wissen Muß: G. Giehm. Wilkens, 1952.
Atenció: Aquestes cites poden no estar 100% correctes.