APA-viite

david f rico. (2004). ROI of software processimprovement. J. Ross Publishing Inc.

Chicago-tyylinen lähdeviittaus

david f rico. ROI of Software Processimprovement. USA: J. Ross Publishing Inc, 2004.

MLA-viite

david f rico. ROI of Software Processimprovement. J. Ross Publishing Inc, 2004.