APA (7th ed.) Citation

V.S. Subramaniam. (2018). Mathematics Grade 9 ( English Mediam ). Lanka Book Deport pub.

Chicago Style (17th ed.) Citation

V.S. Subramaniam. Mathematics Grade 9 ( English Mediam ). Colombo: Lanka Book Deport pub, 2018.

MLA (9th ed.) Citation

V.S. Subramaniam. Mathematics Grade 9 ( English Mediam ). Lanka Book Deport pub, 2018.

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