APA-referens (7:e uppl.)

Hewitt, M. (2011). Harmony for computer musicians. Cengage Learning.

Chicago-referens (17:e uppl.)

Hewitt, Michael. Harmony for Computer Musicians. Boston, Mass.: Cengage Learning, 2011.

MLA-referens (9:e uppl.)

Hewitt, Michael. Harmony for Computer Musicians. Cengage Learning, 2011.