Παραπομπή σε μορφή APA (7η εκδ.)

Gruen, G. (2007). Gypsy Music for C Instruments: A collection of tunes from Eastern Europe & the Balkans / by Gundula Gruen. Spartan Press Music Publ..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gruen, Gundula. Gypsy Music for C Instruments: A Collection of Tunes from Eastern Europe & the Balkans / by Gundula Gruen. Kingussie, Scotland: Spartan Press Music Publ., 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gruen, Gundula. Gypsy Music for C Instruments: A Collection of Tunes from Eastern Europe & the Balkans / by Gundula Gruen. Spartan Press Music Publ., 2007.