APA (7th ed.) Citation

De Zoysa, W. (2014). English Letter Writing. Heladiwa.

Chicago Style (17th ed.) Citation

De Zoysa, W.B. English Letter Writing. Warakapola: Heladiwa, 2014.

MLA (9th ed.) Citation

De Zoysa, W.B. English Letter Writing. Heladiwa, 2014.

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