APA (7e ed.) Bronvermelding

ebrary, Inc, Zappalà, S., & Gray, C. (2006). Impact of e-commerce on consumers and small firms. Ashgate.

Chicago (17e ed.) Bronvermelding

ebrary, Inc, Salvatore Zappalà, en Colin Gray. Impact of E-commerce on Consumers and Small Firms. Aldershot, England ; Burlington, VT: Ashgate, 2006.

MLA (9e ed.) Bronvermelding

ebrary, Inc, et al. Impact of E-commerce on Consumers and Small Firms. Ashgate, 2006.