ENPHO. (1992). Water quality testing in reconstruction & rehabilitation project area (sunsari, Morang, Dhankuta & Saptari).
Chicago Style aipamenaENPHO. Water Quality Testing in Reconstruction & Rehabilitation Project Area (sunsari, Morang, Dhankuta & Saptari). 1992.
MLA aipamenaENPHO. Water Quality Testing in Reconstruction & Rehabilitation Project Area (sunsari, Morang, Dhankuta & Saptari). 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.