APA-viite (7. p.)
ebrary, Inc, & Opelt, A. (2013). Agile contracts: Creating and managing successful projects with Scrum. Wiley.
Chicago-viite (17. p.)
ebrary, Inc, ja Andreas Opelt. Agile Contracts: Creating and Managing Successful Projects with Scrum. Hoboken, N.J.: Wiley, 2013.
MLA-viite (9. p.)
ebrary, Inc, ja Andreas Opelt. Agile Contracts: Creating and Managing Successful Projects with Scrum. Wiley, 2013.
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