APA

George E.S, Jayasree K.C, Karthikakuttyamma M & Mathew M. (1989). Effect of continuous application of nitrogenous fertilizer on sulphur status of soil. : Proceedings of the National Seminar on Sulphur in Agriculture, 1989, Bangalore, India, pp. 57-62.

Chicago

George E.S, Jayasree K.C, Karthikakuttyamma M and Mathew M. 1989. Effect of continuous application of nitrogenous fertilizer on sulphur status of soil. : Proceedings of the National Seminar on Sulphur in Agriculture, 1989, Bangalore, India, pp. 57-62.

Harvard

George E.S, Jayasree K.C, Karthikakuttyamma M and Mathew M. (1989). Effect of continuous application of nitrogenous fertilizer on sulphur status of soil. : Proceedings of the National Seminar on Sulphur in Agriculture, 1989, Bangalore, India, pp. 57-62.

MLA

George E.S, Jayasree K.C, Karthikakuttyamma M and Mathew M. Effect of continuous application of nitrogenous fertilizer on sulphur status of soil. : Proceedings of the National Seminar on Sulphur in Agriculture, 1989, Bangalore, India, pp. 57-62. 1989.