Singh, S. (2006). A textbook of mathematics and statistics std XI (Commerce) paper II. Vishal.
Chicago-viite (17. p.)Singh, S. A Textbook of Mathematics and Statistics Std XI (Commerce) Paper II. Mumbai: Vishal, 2006.
MLA-viite (9. p.)Singh, S. A Textbook of Mathematics and Statistics Std XI (Commerce) Paper II. Vishal, 2006.
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