APA (7 वां संस्करण) प्रशस्ति पत्र
Hartlef, M. (2012). Monkey game development: Beginner's guide : create monetized 2D games deployable to almost any platform. Packt Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Hartlef, Michael. Monkey Game Development: Beginner's Guide : Create Monetized 2D Games Deployable to Almost Any Platform. Birmingham [England]: Packt Pub., 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Hartlef, Michael. Monkey Game Development: Beginner's Guide : Create Monetized 2D Games Deployable to Almost Any Platform. Packt Pub., 2012.
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