Cita APA (7th ed.)

Apel, W. (1970). Harvard dictionary of music (2a. ed.). Heinemann Educational.

Cita Chicago (17th ed.)

Apel, Willi. Harvard Dictionary of Music. 2a. ed. Londres: Heinemann Educational, 1970.

Cita MLA (9th ed.)

Apel, Willi. Harvard Dictionary of Music. 2a. ed. Heinemann Educational, 1970.