Cita APA (7th ed.)
Duggal, K., & Soni, J. (2014). Elements of water resources engineering. New Age International.
Cita Chicago (17th ed.)
Duggal, K.N, i J.P Soni. Elements of Water Resources Engineering. Kolkata: New Age International, 2014.
Cita MLA (9th ed.)
Duggal, K.N, i J.P Soni. Elements of Water Resources Engineering. New Age International, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.