APA (7th ed.) Citation

(2011). Gunasena book of values - 1. Gunasena.

Chicago Style (17th ed.) Citation

Gunasena Book of Values - 1. Colombo: Gunasena, 2011.

MLA (9th ed.) Citation

Gunasena Book of Values - 1. Gunasena, 2011.

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