Παραπομπή APA

Leon, A., & Leon, M. (2002). Database management systems. Leon Vikas.

Παραπομπή Chicago Style

Leon, Alexis, και Mathews Leon. Database Management Systems. Chennai: Leon Vikas, 2002.

Παραπομπή MLA

Leon, Alexis, και Mathews Leon. Database Management Systems. Leon Vikas, 2002.