Cita APA (7th ed.)

Singh R P. (2018). Communication Systems Analog and Digital (3rd.). McGrawHill.

Cita Chicago (17th ed.)

Singh R P. Communication Systems Analog and Digital. 3rd. Chennai: McGrawHill, 2018.

Cita MLA (9th ed.)

Singh R P. Communication Systems Analog and Digital. 3rd. McGrawHill, 2018.