Gaya APA

E-Commerce, A, &, B. (2006). Apa & Bagaimana E-Commerce (2006) . Yogyakarta: Andi.

Gaya MLA

E-Commerce, APA, &, BAGAIMANA. "Apa & Bagaimana E-Commerce (2006)". Yogyakarta: Andi, 2006. Printed Book.