APA (7th ed.) Citation

(1992). Course In Professional English: Part II Block 3. The Open University of Sri Lanka.

Chicago Style (17th ed.) Citation

Course In Professional English: Part II Block 3. Nugegoda: The Open University of Sri Lanka, 1992.

MLA (9th ed.) Citation

Course In Professional English: Part II Block 3. The Open University of Sri Lanka, 1992.

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