APA-referens (7:e uppl.)

Goetschius, P. (1938). Exercise in elementary counterpoint. G. Schirmer, Inc..

Chicago-referens (17:e uppl.)

Goetschius, Percy. Exercise in Elementary Counterpoint. New York: G. Schirmer, Inc., 1938.

MLA-referens (9:e uppl.)

Goetschius, Percy. Exercise in Elementary Counterpoint. G. Schirmer, Inc., 1938.