Cita APA

Perry, G. (1998). sAMs Teach Yourself Visual Basic 6 in 21 Days. Techmedia.

Citación estilo Chicago

Perry, Greg. SAMs Teach Yourself Visual Basic 6 in 21 Days. USA: Techmedia, 1998.

Cita MLA

Perry, Greg. SAMs Teach Yourself Visual Basic 6 in 21 Days. Techmedia, 1998.

Warning: These citations may not always be 100% accurate.