Cita APA (7th ed.)

KENNEDY GEORGE. (1993). ELECTRONIC COMMUNICATION SYSTEMS (4TH ED.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Cita Chicago (17th ed.)

KENNEDY GEORGE. ELECTRONIC COMMUNICATION SYSTEMS. 4TH ED. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1993.

Cita MLA (9th ed.)

KENNEDY GEORGE. ELECTRONIC COMMUNICATION SYSTEMS. 4TH ED. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1993.