Humberstone, J. (2013). Sibelius 7 music notation essentials. Cengage Learning.
Chicago-čujuhus (17. p.)Humberstone, James. Sibelius 7 Music Notation Essentials. Boston: Cengage Learning, 2013.
MLA-čujuhus (9. p.)Humberstone, James. Sibelius 7 Music Notation Essentials. Cengage Learning, 2013.
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