APA

Sujathamalini r., .MENTAL RETADTION. New delhi:discovery,2010: .

Chicago

Sujathamalini reddy, .MENTAL RETADTION. New delhi:discovery,2010: .

Harvard

Sujathamalini r., .MENTAL RETADTION. New delhi:discovery,2010: .

MLA

Sujathamalini reddy, .New delhi:discovery,2010: . .