APA (7th ed.) Zitazioa

Smith, C. L., & Amundsen, M. C. (1999). SAMS teach yourself database programming with Visual Basic 6 in 21 days. Techmedia.

Chicago Style (17th ed.) Zitazioa

Smith, Curtis L., eta Michael C. Amundsen. SAMS Teach Yourself Database Programming with Visual Basic 6 in 21 Days. New Delhi: Techmedia, 1999.

MLA (9th ed.) Zitazioa

Smith, Curtis L., eta Michael C. Amundsen. SAMS Teach Yourself Database Programming with Visual Basic 6 in 21 Days. Techmedia, 1999.