APA (7th ed.) Citation

(2002). Obe karmanthaye diyuna salasana supirisidu maga. National Cleaner Production Centre.

Chicago Style (17th ed.) Citation

Obe Karmanthaye Diyuna Salasana Supirisidu Maga. Colombo: National Cleaner Production Centre, 2002.

MLA (9th ed.) Citation

Obe Karmanthaye Diyuna Salasana Supirisidu Maga. National Cleaner Production Centre, 2002.

Warning: These citations may not always be 100% accurate.