APA

ISRD Group, .introducation DATABASE MANAGEMENT SYSTEM. MCGRAW-HILL HIGHER EducaTION:London.1997: .

Chicago

ISRD Group, .introducation DATABASE MANAGEMENT SYSTEM. MCGRAW-HILL HIGHER EducaTION:London.1997: .

Harvard

ISRD Group, .introducation DATABASE MANAGEMENT SYSTEM. MCGRAW-HILL HIGHER EducaTION:London.1997: .

MLA

ISRD Group, .MCGRAW-HILL HIGHER EducaTION:London.1997: . .