Leavitt, W. G. (1972). Guitar Duets. Berklee Press.
Chicago-Zitierstil (17. Ausg.)Leavitt, William G. Guitar Duets. Boston: Berklee Press, 1972.
MLA-Zitierstil (8. Ausg.)Leavitt, William G. Guitar Duets. Berklee Press, 1972.
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