Cita APA (7th ed.)

RODDY, D. (1994). ELECTRONIC COMMUNICATION 4 TH EDI. PHI.

Cita Chicago (17th ed.)

RODDY, D. ELECTRONIC COMMUNICATION 4 TH EDI. NEW DELHI: PHI, 1994.

Cita MLA (9th ed.)

RODDY, D. ELECTRONIC COMMUNICATION 4 TH EDI. PHI, 1994.