APA (7th ed.) Citation

Karunanandan .A. (2010). PHYSICS Unit 3: Sound and Geometrical Optics,. Lanka Book depot pub.

Chicago Style (17th ed.) Citation

Karunanandan .A. PHYSICS Unit 3: Sound and Geometrical Optics,. Colombo: Lanka Book depot pub, 2010.

MLA (9th ed.) Citation

Karunanandan .A. PHYSICS Unit 3: Sound and Geometrical Optics,. Lanka Book depot pub, 2010.

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