APA استشهاد

Varkey Pattimattom. (2002). E-commersum M-commersum. D C Books.

استشهاد بنمط شيكاغو

Varkey Pattimattom. E-commersum M-commersum. Kottayam: D C Books, 2002.

MLA استشهاد

Varkey Pattimattom. E-commersum M-commersum. D C Books, 2002.