Cita APA (7th ed.)
Pal, B., & Das, K. (2009). Engineering mathematics (4th ed.). U.N.Dhar.
Cita Chicago (17th ed.)
Pal, B.K, i K. Das. Engineering Mathematics. 4th ed. Kolkata: U.N.Dhar, 2009.
Cita MLA (9th ed.)
Pal, B.K, i K. Das. Engineering Mathematics. 4th ed. U.N.Dhar, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.