Παραπομπή σε μορφή APA (7η εκδ.)

Appelman, D. R. (1986). The science of vocal pedagogy: Theory and application (1st Midland book ed.). Indiana University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Appelman, D. Ralph. The Science of Vocal Pedagogy: Theory and Application. 1st Midland book ed. Bloomington: Indiana University Press, 1986.

Παραπομπή σε μορφή MLA (9th εκδ.)

Appelman, D. Ralph. The Science of Vocal Pedagogy: Theory and Application. 1st Midland book ed. Indiana University Press, 1986.