Caswell, S. A. (1988). E-mail. Artech House.
Cita Chicago (17th ed.)Caswell, Stephen A. E-mail. Boston: Artech House, 1988.
Cita MLA (9th ed.)Caswell, Stephen A. E-mail. Artech House, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.
Caswell, S. A. (1988). E-mail. Artech House.
Cita Chicago (17th ed.)Caswell, Stephen A. E-mail. Boston: Artech House, 1988.
Cita MLA (9th ed.)Caswell, Stephen A. E-mail. Artech House, 1988.