Howard, T. M. (2009). Garageband '08 power!: The comprehensive recording and podcasting guide. Course Technology.
Lua i Stíl Chicago (17ú heag.)Howard, Todd M. Garageband '08 Power!: The Comprehensive Recording and Podcasting Guide. Boston, Mass.: Course Technology, 2009.
Lua MLA (9ú heag.)Howard, Todd M. Garageband '08 Power!: The Comprehensive Recording and Podcasting Guide. Course Technology, 2009.
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