Ashraf, M. A., & Hazra, M. A. K. Vector Analysis With Applications (3rd ed.).
Cita Chicago (17th ed.)Ashraf, Md. Ali, i Md. Abdul Khaleq Hazra. Vector Analysis With Applications. 3rd ed. New Delhi: Wiley Eastern Ltd., 1993.
Cita MLA (9th ed.)Ashraf, Md. Ali, i Md. Abdul Khaleq Hazra. Vector Analysis With Applications. 3rd ed.
Atenció: Aquestes cites poden no estar 100% correctes.