APA
Harder p. O., Steinke G. A., . (1994). Harmonic materials in tonal music. Boston: Allyn and Bacon.
Chicago
Harder paul O, Steinke Greg A, . 1994. Harmonic materials in tonal music. Boston: Allyn and Bacon.
Harvard
Harder p. O., Steinke G. A., . (1994). Harmonic materials in tonal music. Boston: Allyn and Bacon.
MLA
Harder paul O, Steinke Greg A, . Harmonic materials in tonal music. Boston: Allyn and Bacon. 1994.