Y.Sugunthan. (2000). Science -7: New syllabus 2016. Lanka book depot.
Chicago Style (17th ed.) CitationY.Sugunthan. Science -7: New Syllabus 2016. Colombo: Lanka book depot, 2000.
MLA (9th ed.) CitationY.Sugunthan. Science -7: New Syllabus 2016. Lanka book depot, 2000.
Warning: These citations may not always be 100% accurate.