Nettl, B. (1962). An introduction to folk music in the united states. New York: Wayne State University Press.
Trích dẫn kiểu ChicagoNettl, Bruno. An Introduction to Folk Music in the United States. New York: Wayne State University Press, 1962.
MLA CitationNettl, Bruno. An Introduction to Folk Music in the United States. New York: Wayne State University Press, 1962.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.