Cita APA (7th ed.)

Aitken, P. (1999). Sam`s teach yourself internet programming with visual basic 6 in 21 days. Techmedia.

Cita Chicago (17th ed.)

Aitken, Peter. Sam`s Teach Yourself Internet Programming with Visual Basic 6 in 21 Days. New Delhi: Techmedia, 1999.

Cita MLA (9th ed.)

Aitken, Peter. Sam`s Teach Yourself Internet Programming with Visual Basic 6 in 21 Days. Techmedia, 1999.