Cita APA (7th ed.)
Aggarwal, R. S. (1990). Objective arithmetic. S. Chand.
Cita Chicago (17th ed.)
Aggarwal, R. S. Objective Arithmetic. New Delhi: S. Chand, 1990.
Cita MLA (9th ed.)
Aggarwal, R. S. Objective Arithmetic. S. Chand, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.