De Costa, J. (2005). Sri Lankave Roma - Landesi nithiya saha Ingrisi nithiya. Rathna Publishers.
Chicago Style (17th ed.) CitationDe Costa, Jayatissa. Sri Lankave Roma - Landesi Nithiya Saha Ingrisi Nithiya. Colombo: Rathna Publishers, 2005.
MLA (9th ed.) CitationDe Costa, Jayatissa. Sri Lankave Roma - Landesi Nithiya Saha Ingrisi Nithiya. Rathna Publishers, 2005.
Warning: These citations may not always be 100% accurate.