APA (7th ed.) Citation

Disanayaka , D. P. The Essenceof English Grammer.

Chicago Style (17th ed.) Citation

Disanayaka , Desha Priyal. The Essenceof English Grammer.

MLA (9th ed.) Citation

Disanayaka , Desha Priyal. The Essenceof English Grammer.

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