Karmacharya, A. P., & Shrestha, R. K. S. (1991). Water quality testing in Sirha (Area No. 2).
Cita Chicago (17th ed.)Karmacharya, Amresh P., i Raj K. Shrestha Shrestha. Water Quality Testing in Sirha (Area No. 2). 1991.
Cita MLA (8th ed.)Karmacharya, Amresh P., i Raj K. Shrestha Shrestha. Water Quality Testing in Sirha (Area No. 2). 1991.
Atenció: Aquestes cites poden no estar 100% correctes.