Karpinski, G. S. (2017). Manual for ear training and sight singing (Second edition.). WW. Norton & Company,Inc..
Lua i Stíl Chicago (17ú heag.)Karpinski, Gary S. Manual for Ear Training and Sight Singing. Second edition. New York, NY: WW. Norton & Company,Inc., 2017.
Lua MLA (9ú heag.)Karpinski, Gary S. Manual for Ear Training and Sight Singing. Second edition. WW. Norton & Company,Inc., 2017.
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