APA (7e ed.) Bronvermelding

Bradley, J. (2000). Programming in visual basic 6.0- 2009. T M H.

Chicago (17e ed.) Bronvermelding

Bradley, Julia. Programming in Visual Basic 6.0- 2009. New Delhi: T M H, 2000.

MLA (9e ed.) Bronvermelding

Bradley, Julia. Programming in Visual Basic 6.0- 2009. T M H, 2000.