SEHGAL, P. (1982). Design of irrigation structures. Khana.
Cita Chicago (17th ed.)SEHGAL, P.P. Design of Irrigation Structures. New Delhi: Khana, 1982.
Cita MLA (9th ed.)SEHGAL, P.P. Design of Irrigation Structures. Khana, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.