APA
Krishnakumar A K, George E S & Karthikakuttyamma M. (1990). A Comparison of UV spectroscopy and ion selective electrode in the determination of nitrate in Hevea foliage. : Indian Journal of Natural Rubber Research.
Chicago
Krishnakumar A K, George E S and Karthikakuttyamma M. 1990. A Comparison of UV spectroscopy and ion selective electrode in the determination of nitrate in Hevea foliage. : Indian Journal of Natural Rubber Research.
Harvard
Krishnakumar A K, George E S and Karthikakuttyamma M. (1990). A Comparison of UV spectroscopy and ion selective electrode in the determination of nitrate in Hevea foliage. : Indian Journal of Natural Rubber Research.
MLA
Krishnakumar A K, George E S and Karthikakuttyamma M. A Comparison of UV spectroscopy and ion selective electrode in the determination of nitrate in Hevea foliage. : Indian Journal of Natural Rubber Research. 1990.