APA-referens (7:e uppl.)
Cullen, S. (2009). The contract scorecard: Successful outsourcing by design. Ashgate Pub. Co. : Gower.
Chicago-referens (17:e uppl.)
Cullen, Sara. The Contract Scorecard: Successful Outsourcing by Design. Burlington, VT: Ashgate Pub. Co. : Gower, 2009.
MLA-referens (9:e uppl.)
Cullen, Sara. The Contract Scorecard: Successful Outsourcing by Design. Ashgate Pub. Co. : Gower, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.