APA
Varshney.P.S, Gupta.R.L & Gupta.S.C. (1979). Theory and Design of Irrigation. Roorkee: Nemchand & Bros., Roorkee.
Chicago
Varshney.P.S, Gupta.R.L and Gupta.S.C. 1979. Theory and Design of Irrigation. Roorkee: Nemchand & Bros., Roorkee.
Harvard
Varshney.P.S, Gupta.R.L and Gupta.S.C. (1979). Theory and Design of Irrigation. Roorkee: Nemchand & Bros., Roorkee.
MLA
Varshney.P.S, Gupta.R.L and Gupta.S.C. Theory and Design of Irrigation. Roorkee: Nemchand & Bros., Roorkee. 1979.