APA (7e ed.) Bronvermelding

Burrows, W. E., & Langford, J. D. (1998). Programming business applications with microsoft visual basic: Version 5.0 (2nd ed.). Irwin.

Chicago (17e ed.) Bronvermelding

Burrows, William E., en Joseph D. Langford. Programming Business Applications with Microsoft Visual Basic: Version 5.0. 2nd ed. Boston: Irwin, 1998.

MLA (9e ed.) Bronvermelding

Burrows, William E., en Joseph D. Langford. Programming Business Applications with Microsoft Visual Basic: Version 5.0. 2nd ed. Irwin, 1998.