Cita APA (7th ed.)
Leon, A., & Leon, M. (1999). Database management systems. Leon Vikas.
Cita Chicago (17th ed.)
Leon, Alexix, i Mathews Leon. Database Management Systems. Chennai: Leon Vikas, 1999.
Cita MLA (9th ed.)
Leon, Alexix, i Mathews Leon. Database Management Systems. Leon Vikas, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.