Gaya APA
Kostka, S, K, S. (2004).
Workbook for tonal harmony : with an introduction to twentieth-century music.-- (Ed. 5.--).
America:
McGraw-Hill.
Gaya MLA
Kostka, Stefan., Kostka,, Stefan..
"Workbook for tonal harmony : with an introduction to twentieth-century music.--".
Ed. 5.--
America:
McGraw-Hill,
2004.
Buku.