ENPHO. (1993). Air quality assessment in Kathmandu city.
Čikaški stil citiranja (17. izdanje)ENPHO. Air Quality Assessment in Kathmandu City. 1993.
MLA način citiranja (8. izdanje)ENPHO. Air Quality Assessment in Kathmandu City. 1993.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.