APA (7th ed.) Citation

(2015). Science (O/L) Past papers & answer. Master Guide Pub.

Chicago Style (17th ed.) Citation

Science (O/L) Past Papers & Answer. Kelaniya: Master Guide Pub, 2015.

MLA (9th ed.) Citation

Science (O/L) Past Papers & Answer. Master Guide Pub, 2015.

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