Cita APA (7a ed.)

CARLSON , B. (2002). COMMUNICATION SYSTEM 3/ED. MCGRAW HILL.

Cita Chicago Style (17a ed.)

CARLSON , B.A. COMMUNICATION SYSTEM 3/ED. SINGAPORE: MCGRAW HILL, 2002.

Cita MLA (9a ed.)

CARLSON , B.A. COMMUNICATION SYSTEM 3/ED. MCGRAW HILL, 2002.