APA

Pankaj S., . (2005). E - Commerce. new delhi: A.P.H publishing Corporation.

Chicago

Pankaj S, . 2005. E - Commerce. new delhi: A.P.H publishing Corporation.

Harvard

Pankaj S., . (2005). E - Commerce. new delhi: A.P.H publishing Corporation.

MLA

Pankaj S, . E - Commerce. new delhi: A.P.H publishing Corporation. 2005.