Roye, G. (1971). Halle. Brockhaus.
Cita Chicago (17th ed.)Roye, Gerhard. Halle. Leipzig: Brockhaus, 1971.
Cita MLA (8th ed.)Roye, Gerhard. Halle. Brockhaus, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)