APA-referens (7:e uppl.)
Creighton, R. H. (2013). Unity 4.x game development by example beginner's guide. Packt Publishing.
Chicago-referens (17:e uppl.)
Creighton, Ryan Henson. Unity 4.x Game Development by Example Beginner's Guide. Birmingham: Packt Publishing, 2013.
MLA-referens (9:e uppl.)
Creighton, Ryan Henson. Unity 4.x Game Development by Example Beginner's Guide. Packt Publishing, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.