Cita APA (7th ed.)
Ramana, B. Higher engineering mathematics. Tata mcGraw-Hill.
Cita Chicago (17th ed.)
Ramana, B.V. Higher Engineering Mathematics. New Delhi: Tata mcGraw-Hill.
Cita MLA (9th ed.)
Ramana, B.V. Higher Engineering Mathematics. Tata mcGraw-Hill.
Atenció: Aquestes cites poden no estar 100% correctes.