Kapoor, N. M. (1981). Vector Calculus. Pitambar Publishing.
Cita Chicago (17th ed.)Kapoor, N. M. Vector Calculus. New Delhi: Pitambar Publishing, 1981.
Cita MLA (9th ed.)Kapoor, N. M. Vector Calculus. Pitambar Publishing, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.