Cita APA (7th ed.)

SMITH, J. R. (2001). MODERN COMMUNICATION CIRCUITS 2ND EDI. MCGRAW HILL.

Cita Chicago (17th ed.)

SMITH, J R. MODERN COMMUNICATION CIRCUITS 2ND EDI. BOSTON: MCGRAW HILL, 2001.

Cita MLA (9th ed.)

SMITH, J R. MODERN COMMUNICATION CIRCUITS 2ND EDI. MCGRAW HILL, 2001.