Gaya APA

Flynn, N., Khan, R. (2003). E-mail rules: a business guide to managing policies, security, and legal issues for e-mail and digital communication . : American Management Association.

Gaya MLA

Flynn, Nancy., Khan, Randolph. "E-mail rules: a business guide to managing policies, security, and legal issues for e-mail and digital communication". : American Management Association, 2003. .