Sharma, S., & Karmacharya, A. P. S. (1991). Water quality testing in Ilam.
Chicago Style aipamenaSharma, Sapana, and Amresh Prasad Shrestha Karmacharya. Water Quality Testing in Ilam. 1991.
MLA aipamenaSharma, Sapana, and Amresh Prasad Shrestha Karmacharya. Water Quality Testing in Ilam. 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.