Παραπομπή APA

Smith, P. R., & Chaffey, D. (2003). Emarketing excellence: The heart of eBusiness. Butterworth.

Παραπομπή Chicago Style

Smith, P. R., και Dave Chaffey. Emarketing Excellence: The Heart of EBusiness. Oxford: Butterworth, 2003.

Παραπομπή MLA

Smith, P. R., και Dave Chaffey. Emarketing Excellence: The Heart of EBusiness. Butterworth, 2003.