APA-viite (7. p.)
Harper, N. L. (2013). Portuguese piano music: An introduction and annotated bibliography. Scarecrow Press.
Chicago-viite (17. p.)
Harper, Nancy Lee. Portuguese Piano Music: An Introduction and Annotated Bibliography. Lanham, Md. ; Plymouth, England: Scarecrow Press, 2013.
MLA-viite (9. p.)
Harper, Nancy Lee. Portuguese Piano Music: An Introduction and Annotated Bibliography. Scarecrow Press, 2013.
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