Collier, Mack. : Think like a rock star : how to create social media and marketing strategies that turn customers into fans / Mack Collier ; foreword by Kathy Sierra. [O'Reilly electronic resource]
Collier, Mark D., / author. : Hacking exposed : unified communications & VoIP security secrets & solutions / Mark Collier, David Endler. [O'Reilly electronic resource]
Collier, Paul M. : Accounting for managers : interpreting accounting information for decision-making / Paul M. Collier, Sandy M. Kizan. [O'Reilly electronic resource]
Collier, William, Jr. : Cimarron [(DVD) videorecording] / Radio Pictures presents ; by Edna Ferber ; produced by William LeBaron ; a Wesley Ruggles production ; screen version & dialogue by Howard Estabrook.