............ GCE O/L Information & Communication Technology 2007-2014. Astan Publications.
Chicago Style (17th ed.) Citation............ GCE O/L Information & Communication Technology 2007-2014. Colombo: Astan Publications.
MLA (9th ed.) Citation............ GCE O/L Information & Communication Technology 2007-2014. Astan Publications.
Warning: These citations may not always be 100% accurate.