Watt, D. A. (1990). Programming language concepts and paradigms. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Watt, David A. Programming Language Concepts and Paradigms. New York: Prentice Hall, 1990.
Lua MLA (8ú heag.)Watt, David A. Programming Language Concepts and Paradigms. Prentice Hall, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.