Lua APA (7ú heag.)

ebrary, Inc, & Opelt, A. (2013). Agile contracts: Creating and managing successful projects with Scrum. Wiley.

Lua i Stíl Chicago (17ú heag.)

ebrary, Inc, agus Andreas Opelt. Agile Contracts: Creating and Managing Successful Projects with Scrum. Hoboken, N.J.: Wiley, 2013.

Lua MLA (9ú heag.)

ebrary, Inc, agus Andreas Opelt. Agile Contracts: Creating and Managing Successful Projects with Scrum. Wiley, 2013.

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