APA (7th ed.) Citation

........... GCE O/L English Literature 2008-2014. Astan Publications.

Chicago Style (17th ed.) Citation

........... GCE O/L English Literature 2008-2014. Colombo: Astan Publications.

MLA (9th ed.) Citation

........... GCE O/L English Literature 2008-2014. Astan Publications.

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