Menard, M., Wagstaff, B., & Smith, E. (2015). Game development with Unity (Second edition.). Cengage Learning PTR.

Menard, Michelle, Bryan Wagstaff, and Emi Smith. Game Development with Unity. Second edition. Boston, Massachusetts: Cengage Learning PTR, 2015.

Menard, Michelle, et al. Game Development with Unity. Second edition. Cengage Learning PTR, 2015.