Παραπομπή σε μορφή APA (7η εκδ.)
Messner, G. F. (2013). Do they sound like bells or like howling wolves?: Interferential diaphony in Bistritsa : an investigation into a multi-part singing tradition in a middle-western Bulgarian village. PL Academic Research.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Messner, Gerald Florian. Do They Sound like Bells or like Howling Wolves?: Interferential Diaphony in Bistritsa : An Investigation into a Multi-part Singing Tradition in a Middle-western Bulgarian Village. Frankfurt am Main, [Germany]: PL Academic Research, 2013.
Παραπομπή σε μορφή MLA (9th εκδ.)
Messner, Gerald Florian. Do They Sound like Bells or like Howling Wolves?: Interferential Diaphony in Bistritsa : An Investigation into a Multi-part Singing Tradition in a Middle-western Bulgarian Village. PL Academic Research, 2013.
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