Cita APA (7a ed.)

PROAKIS J.G. (1998). COMMUNICATIONS SYSTEM ENGG. PHI.

Cita Chicago Style (17a ed.)

PROAKIS J.G. COMMUNICATIONS SYSTEM ENGG. SINGAPORE: PHI, 1998.

Cita MLA (9a ed.)

PROAKIS J.G. COMMUNICATIONS SYSTEM ENGG. PHI, 1998.