Davis, G., & Jones, R. (1990). The sound reinforcement handbook (2nd ed.). Hal Leonard Corporation.
Lua i Stíl Chicago (17ú heag.)Davis, Gary, agus Ralph Jones. The Sound Reinforcement Handbook. 2nd ed. Milwaukee, USA: Hal Leonard Corporation, 1990.
Lua MLA (9ú heag.)Davis, Gary, agus Ralph Jones. The Sound Reinforcement Handbook. 2nd ed. Hal Leonard Corporation, 1990.
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