Ragan, K. (2020). A systematic approach to voice: The art of studio application. Plural Publishing, Inc..
Chicago-referens (17:e uppl.)Ragan, Kari. A Systematic Approach to Voice: The Art of Studio Application. San Diego, CA: Plural Publishing, Inc., 2020.
MLA-referens (9:e uppl.)Ragan, Kari. A Systematic Approach to Voice: The Art of Studio Application. Plural Publishing, Inc., 2020.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.