Παραπομπή σε μορφή APA (7η εκδ.)

Ragan, K. (2020). A systematic approach to voice: The art of studio application. Plural Publishing, Inc..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ragan, Kari. A Systematic Approach to Voice: The Art of Studio Application. San Diego, CA: Plural Publishing, Inc., 2020.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ragan, Kari. A Systematic Approach to Voice: The Art of Studio Application. Plural Publishing, Inc., 2020.