ebrary, Inc, & Opelt, A. (2013). Agile contracts: Creating and managing successful projects with Scrum. Wiley.
Chicago-referens (17:e uppl.)ebrary, Inc, och Andreas Opelt. Agile Contracts: Creating and Managing Successful Projects with Scrum. Hoboken, N.J.: Wiley, 2013.
MLA-referens (9:e uppl.)ebrary, Inc, och Andreas Opelt. Agile Contracts: Creating and Managing Successful Projects with Scrum. Wiley, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.