APA-referens (7:e uppl.)

Spencer, P. (1983). The practice of harmony. Prentice-Hall.

Chicago-referens (17:e uppl.)

Spencer, Peter. The Practice of Harmony. Englewood Cliffs, NJ: Prentice-Hall, 1983.

MLA-referens (9:e uppl.)

Spencer, Peter. The Practice of Harmony. Prentice-Hall, 1983.