APA aipamena

Varkey, P. K., & Sivasankara Pillai. (2002). Water quality variations, its influences on drinking water treatment and remedial measures: A case study of peechi reservoir, Thrissur, Kerala. School of Environmental studies.

Chicago Style aipamena

Varkey, Peeter K., and Sivasankara Pillai. Water Quality Variations, Its Influences on Drinking Water Treatment and Remedial Measures: A Case Study of Peechi Reservoir, Thrissur, Kerala. Kochi: School of Environmental studies, 2002.

MLA aipamena

Varkey, Peeter K., and Sivasankara Pillai. Water Quality Variations, Its Influences on Drinking Water Treatment and Remedial Measures: A Case Study of Peechi Reservoir, Thrissur, Kerala. School of Environmental studies, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.