Murphy, P., Phillips, J., West Marvin, E., & Piper Clendinning, J. (2021). The Musician's Guide to Aural Skills: Sight-Singing (cuarta edición.). W.W. Norton & Company, Inc.
Lua i Stíl Chicago (17ú heag.)Murphy, Paul, Joel Phillips, Elizabeth West Marvin, agus Jane Piper Clendinning. The Musician's Guide to Aural Skills: Sight-Singing. cuarta edición. New York, NY: W.W. Norton & Company, Inc, 2021.
Lua MLA (9ú heag.)Murphy, Paul, et al. The Musician's Guide to Aural Skills: Sight-Singing. cuarta edición. W.W. Norton & Company, Inc, 2021.
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