Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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