APA (7th ed.) Citation

Sri Lanka . Dept.of official Languages. (2002). English for better understanding. Dept. of Official Languages.

Chicago Style (17th ed.) Citation

Sri Lanka . Dept.of official Languages. English for Better Understanding. Rajagiriya: Dept. of Official Languages, 2002.

MLA (9th ed.) Citation

Sri Lanka . Dept.of official Languages. English for Better Understanding. Dept. of Official Languages, 2002.

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