APA (7th ed.) Citation

M.K. Thillatmohan. English Grammar Book. Inter mod (Pvt) ltd.

Chicago Style (17th ed.) Citation

M.K. Thillatmohan. English Grammar Book. Colombo -6: Inter mod (Pvt) ltd.

MLA (9th ed.) Citation

M.K. Thillatmohan. English Grammar Book. Inter mod (Pvt) ltd.

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