RODDY DENNIS. (1995). ELECTRONIC COMMUNICATIONS 4TH ED (4TH ED.). PEARSON EDUCATION.
Cita Chicago (17th ed.)RODDY DENNIS. ELECTRONIC COMMUNICATIONS 4TH ED. 4TH ED. AUSTRALIA: PEARSON EDUCATION, 1995.
Cita MLA (9th ed.)RODDY DENNIS. ELECTRONIC COMMUNICATIONS 4TH ED. 4TH ED. PEARSON EDUCATION, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.