Cita APA (7th ed.)

ROY, N. (2004). HOW IT WORKS THE TELEPHONE (REPRINTED.). A CBT PUBLICATION.

Cita Chicago (17th ed.)

ROY, NAVKALA. HOW IT WORKS THE TELEPHONE. REPRINTED. NEW DELHI: A CBT PUBLICATION, 2004.

Cita MLA (9th ed.)

ROY, NAVKALA. HOW IT WORKS THE TELEPHONE. REPRINTED. A CBT PUBLICATION, 2004.