Sharma, S., & Karmacharya, A. P. S. (1991). Water quality testing in Ilam.
Cita Chicago Style (17a ed.)Sharma, Sapana, y Amresh Prasad Shrestha Karmacharya. Water Quality Testing in Ilam. 1991.
Cita MLA (8a ed.)Sharma, Sapana, y Amresh Prasad Shrestha Karmacharya. Water Quality Testing in Ilam. 1991.
Precaución: Estas citas no son 100% exactas.