Lua APA (7ú heag.)
Halvorson, M. (2001). Microsoft visual basic 6.0 professional: Step by step. Prentice Hall of India.
Lua i Stíl Chicago (17ú heag.)
Halvorson, Michael. Microsoft Visual Basic 6.0 Professional: Step by Step. New Delhi: Prentice Hall of India, 2001.
Lua MLA (9ú heag.)
Halvorson, Michael. Microsoft Visual Basic 6.0 Professional: Step by Step. Prentice Hall of India, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.