Bradley, J. C., & Millspaugh, A. C. (1996). Programming in visual basic: Version 4.0. Irwin.
Lua i Stíl Chicago (17ú heag.)Bradley, Julia Case, agus Ainta C. Millspaugh. Programming in Visual Basic: Version 4.0. Boston: Irwin, 1996.
Lua MLA (9ú heag.)Bradley, Julia Case, agus Ainta C. Millspaugh. Programming in Visual Basic: Version 4.0. Irwin, 1996.
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