APA (7th ed.) Citation

(2023). Science: G. C. E. (ordinary level) past papers & answers (2012-2021). Master Guide Publications.

Chicago Style (17th ed.) Citation

Science: G. C. E. (ordinary Level) Past Papers & Answers (2012-2021). Colombo: Master Guide Publications, 2023.

MLA (9th ed.) Citation

Science: G. C. E. (ordinary Level) Past Papers & Answers (2012-2021). Master Guide Publications, 2023.

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