APA (7th ed.) Citation

Manukulasooriya, R. Better english activity book 01. Master Guide Publication.

Chicago Style (17th ed.) Citation

Manukulasooriya, Ranaweera. Better English Activity Book 01. Colombo: Master Guide Publication.

MLA (9th ed.) Citation

Manukulasooriya, Ranaweera. Better English Activity Book 01. Master Guide Publication.

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