APA

Mahesh (R), Parameswari (P), . (2005). Interactive Voice Response System. : .

Chicago

Mahesh (R), Parameswari (P), . 2005. Interactive Voice Response System. : .

Harvard

Mahesh (R), Parameswari (P), . (2005). Interactive Voice Response System. : .

MLA

Mahesh (R), Parameswari (P), . Interactive Voice Response System. : . 2005.