Cita APA (7a ed.)

(1991). Microsoft visual basic: Programmer's guide (1a. ed.). Microsoft.

Cita Chicago Style (17a ed.)

Microsoft Visual Basic: Programmer's Guide. 1a. ed. EEUU: Microsoft, 1991.

Cita MLA (8a ed.)

Microsoft Visual Basic: Programmer's Guide. 1a. ed. Microsoft, 1991.