Halvorson, M. (1999). Microsoft visual basic 6.0 profesional step by step. Saint Joseph's University.
Chicago Style (17th ed.) CitationHalvorson, Michael. Microsoft Visual Basic 6.0 Profesional Step by Step. Saint Joseph's University, 1999.
MLA (8th ed.) CitationHalvorson, Michael. Microsoft Visual Basic 6.0 Profesional Step by Step. Saint Joseph's University, 1999.
Warning: These citations may not always be 100% accurate.