Παραπομπή σε μορφή APA (7η εκδ.)

Hilley, M., & Olson, L. F. (1989). Piano for the developing musician: PDM 1 (2nd ed.). West.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hilley, Martha, και Lynn Freeman Olson. Piano for the Developing Musician: PDM 1. 2nd ed. New York: West, 1989.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hilley, Martha, και Lynn Freeman Olson. Piano for the Developing Musician: PDM 1. 2nd ed. West, 1989.