Cita APA (7th ed.)
Smith, C. L., & Amundsen, M. C. (1999). Teach yourself database programming with Visual Basic 6 in 21 days. Techmedia.
Cita Chicago (17th ed.)
Smith, Curtis L., i Michael C. Amundsen. Teach Yourself Database Programming with Visual Basic 6 in 21 Days. New Delhi: Techmedia, 1999.
Cita MLA (9th ed.)
Smith, Curtis L., i Michael C. Amundsen. Teach Yourself Database Programming with Visual Basic 6 in 21 Days. Techmedia, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.