APA (7th ed.) Citation

Ratnayaka, W. (2009). Mathematics Grade 11 Part ii. Sadeepa Publishing House.

Chicago Style (17th ed.) Citation

Ratnayaka, W. Mathematics Grade 11 Part Ii. Colombo: Sadeepa Publishing House, 2009.

MLA (9th ed.) Citation

Ratnayaka, W. Mathematics Grade 11 Part Ii. Sadeepa Publishing House, 2009.

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