Angell, D., & Heslop, B. (1995). The internet business companion: Growing your business in the electronic age. Addison-Wesley publiching.
Chicago Style aipamenaAngell, David, and Brent Heslop. The Internet Business Companion: Growing Your Business in the Electronic Age. Massachusetts: Addison-Wesley publiching, 1995.
MLA aipamenaAngell, David, and Brent Heslop. The Internet Business Companion: Growing Your Business in the Electronic Age. Addison-Wesley publiching, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.