V.s.Subramaniam. (2009). Mathematics Grade - 9. Srilanka book Depot.
Chicago Style (17th ed.) CitationV.s.Subramaniam. Mathematics Grade - 9. Jaffna: Srilanka book Depot, 2009.
MLA (9th ed.) CitationV.s.Subramaniam. Mathematics Grade - 9. Srilanka book Depot, 2009.
Warning: These citations may not always be 100% accurate.