Drei Frauenchöre: Hans Friess. Tonger.
Cita Chicago (17th ed.)Drei Frauenchöre: Hans Friess. Köln a. Rh.: Tonger.
Cita MLA (8th ed.)Drei Frauenchöre: Hans Friess. Tonger.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)