Gaya APA

Erisman, Porter. (2017). Six billion shoppers : the companies winning the global e-commerce boom . London: MacMillan.

Gaya Chicago

Erisman, Porter. Six billion shoppers : the companies winning the global e-commerce boom. London: MacMillan, 2017. Text.

Gaya MLA

Erisman, Porter. Six billion shoppers : the companies winning the global e-commerce boom. London: MacMillan, 2017. Text.

Gaya Turabian

Erisman, Porter. Six billion shoppers : the companies winning the global e-commerce boom. London: MacMillan, 2017. Print.