APA-viite

Smiley, J. (2001). Learn to program visual basic- databases. Firewall media.

Chicago-tyylinen lähdeviittaus

Smiley, John. Learn to Program Visual Basic- Databases. New Delhi: Firewall media, 2001.

MLA-viite

Smiley, John. Learn to Program Visual Basic- Databases. Firewall media, 2001.