APA

Sreejith Babu (V), Manikandan (K), . (1996). Computerised Purchase System. : .

Chicago

Sreejith Babu (V), Manikandan (K), . 1996. Computerised Purchase System. : .

Harvard

Sreejith Babu (V), Manikandan (K), . (1996). Computerised Purchase System. : .

MLA

Sreejith Babu (V), Manikandan (K), . Computerised Purchase System. : . 1996.