Cita APA (7th ed.)

Duckless, V. H., & Keller, M. A. (1988). Music reference and research materials: An annotated bibliography (4th ed.). Schirmer Books.

Cita Chicago (17th ed.)

Duckless, Vincent Harris, i Michael A. Keller. Music Reference and Research Materials: An Annotated Bibliography. 4th ed. New York: Schirmer Books, 1988.

Cita MLA (9th ed.)

Duckless, Vincent Harris, i Michael A. Keller. Music Reference and Research Materials: An Annotated Bibliography. 4th ed. Schirmer Books, 1988.