Cita APA (7th ed.)

Shrader, R. L. (1991). Electronic communication (6th ed.). Glencoe.

Cita Chicago (17th ed.)

Shrader, Robert L. Electronic Communication. 6th ed. Lake Forest: Glencoe, 1991.

Cita MLA (8th ed.)

Shrader, Robert L. Electronic Communication. 6th ed. Glencoe, 1991.