APA (7th ed.) Citation

Raheem, R. (1992). Course in Professional English: Part I. The Open university of sri Lanka.

Chicago Style (17th ed.) Citation

Raheem, Ryhana. Course in Professional English: Part I. Nugegoda: The Open university of sri Lanka, 1992.

MLA (9th ed.) Citation

Raheem, Ryhana. Course in Professional English: Part I. The Open university of sri Lanka, 1992.

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