APA (7th ed.) Citation

Sirimanne, A., & Wijetunga Somapala. (1984). Easy English Exercise for Grades Nine and Ten (Sixth Edition.). M.D.Gunasena & Co. Ltd.

Chicago Style (17th ed.) Citation

Sirimanne, A.M.G, and Wijetunga Somapala. Easy English Exercise for Grades Nine and Ten. Sixth Edition. Colombo: M.D.Gunasena & Co. Ltd, 1984.

MLA (9th ed.) Citation

Sirimanne, A.M.G, and Wijetunga Somapala. Easy English Exercise for Grades Nine and Ten. Sixth Edition. M.D.Gunasena & Co. Ltd, 1984.