Whitter, J., & Watts, R. (1981). Song index: Popular songs and where to find them. Association of Assistant Librarians.
Chicago-viite (17. p.)Whitter, John, ja Ruth Watts. Song Index: Popular Songs and Where to Find Them. London: Association of Assistant Librarians, 1981.
MLA-viite (8. p.)Whitter, John, ja Ruth Watts. Song Index: Popular Songs and Where to Find Them. Association of Assistant Librarians, 1981.
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