APA (7th ed.) Citation

Ariyasinghe ,K. Science Work Book 2 Grade 11. New Asiri Printers Colombo.

Chicago Style (17th ed.) Citation

Ariyasinghe ,K. Science Work Book 2 Grade 11. Colombo: New Asiri Printers Colombo.

MLA (9th ed.) Citation

Ariyasinghe ,K. Science Work Book 2 Grade 11. New Asiri Printers Colombo.

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