Ragan, K. (2020). A systematic approach to voice: The art of studio application. Plural Publishing, Inc..
Lua i Stíl Chicago (17ú heag.)Ragan, Kari. A Systematic Approach to Voice: The Art of Studio Application. San Diego, CA: Plural Publishing, Inc., 2020.
Lua MLA (9ú heag.)Ragan, Kari. A Systematic Approach to Voice: The Art of Studio Application. Plural Publishing, Inc., 2020.
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