APA

Mariswari (V), Geetha (V), . (2009). E-Post Office. : .

Chicago

Mariswari (V), Geetha (V), . 2009. E-Post Office. : .

Harvard

Mariswari (V), Geetha (V), . (2009). E-Post Office. : .

MLA

Mariswari (V), Geetha (V), . E-Post Office. : . 2009.