APA

Singh G., .Visual Basic 2005 PROJECTS. NEW DELHI:khanna Book,2007: .

Chicago

Singh Gurmeet, .Visual Basic 2005 PROJECTS. NEW DELHI:khanna Book,2007: .

Harvard

Singh G., .Visual Basic 2005 PROJECTS. NEW DELHI:khanna Book,2007: .

MLA

Singh Gurmeet, .NEW DELHI:khanna Book,2007: . .