Cita APA (7th ed.)

Opelt, A., Gloger, B., Pfarl, W., & Mittermayr, R. (2013). Agile contracts: Creating and managing successful projects with Scrum. John Wiley & Sons, Inc. https://doi.org/10.1002/9781118640067

Cita Chicago (17th ed.)

Opelt, Andreas, Boris Gloger, Wolfgang Pfarl, i Ralf Mittermayr. Agile Contracts: Creating and Managing Successful Projects with Scrum. Hoboken, New Jersey: John Wiley & Sons, Inc, 2013. https://doi.org/10.1002/9781118640067.

Cita MLA (9th ed.)

Opelt, Andreas, et al. Agile Contracts: Creating and Managing Successful Projects with Scrum. John Wiley & Sons, Inc, 2013. https://doi.org/10.1002/9781118640067.