Cita APA (7a ed.)

Dev, A. (1989). Textbook in history for class IX. National Council of Educational Research and Training.

Cita Chicago Style (17a ed.)

Dev, Arjun. Textbook in History for Class IX. New Delhi: National Council of Educational Research and Training, 1989.

Cita MLA (9a ed.)

Dev, Arjun. Textbook in History for Class IX. National Council of Educational Research and Training, 1989.