Cita APA (7th ed.)
Erickson, F. J., & Vonk, J. A. (1996). Effective internet. McGraw-Hill.
Cita Chicago (17th ed.)
Erickson, Fritz J., i John A. Vonk. Effective Internet. Boston: McGraw-Hill, 1996.
Cita MLA (9th ed.)
Erickson, Fritz J., i John A. Vonk. Effective Internet. McGraw-Hill, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.