APA aipamena

UNICEF. (1990). Water quality assessment in terai tubewell project.

Chicago Style aipamena

UNICEF. Water Quality Assessment in Terai Tubewell Project. 1990.

MLA aipamena

UNICEF. Water Quality Assessment in Terai Tubewell Project. 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.