APA (7th ed.) Citation

Wickremasinghe, D. M. D. Z. (1999). Sinhalese self taught by the natural method with phonetic pronunciation thimms system. Asian Educational Services.

Chicago Style (17th ed.) Citation

Wickremasinghe, Don M. De. Z. Sinhalese Self Taught by the Natural Method with Phonetic Pronunciation Thimms System. New Delhi: Asian Educational Services, 1999.

MLA (9th ed.) Citation

Wickremasinghe, Don M. De. Z. Sinhalese Self Taught by the Natural Method with Phonetic Pronunciation Thimms System. Asian Educational Services, 1999.