Pro Tools 101 : official courseware, version 8.0.

MLA

Digidesign, and Frank D Cook. Pro Tools 101 : Official Courseware, Version 8.0. Boston: Course Technology, 2008.

APA

Digidesign, D., & Cook, F. D. (2008). Pro Tools 101 : official courseware, version 8.0. Boston: Course Technology.

Chicago

Digidesign, and Frank D. Cook. Pro Tools 101: Official Courseware, Version 8.0. Boston: Course Technology, 2008.