Hagerman, A. (2007). Working with beats in Pro Tools: Skill pack. Thomson Course Technology PTR.
Lua i Stíl Chicago (17ú heag.)Hagerman, Andrew. Working with Beats in Pro Tools: Skill Pack. Boston, MA: Thomson Course Technology PTR, 2007.
Lua MLA (9ú heag.)Hagerman, Andrew. Working with Beats in Pro Tools: Skill Pack. Thomson Course Technology PTR, 2007.
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