Singh, S. (1907). A textbook of mathematics and statistivs Std XII. Vishal.
Lua i Stíl Chicago (17ú heag.)Singh, S. A Textbook of Mathematics and Statistivs Std XII. Mumbai: Vishal, 1907.
Lua MLA (9ú heag.)Singh, S. A Textbook of Mathematics and Statistivs Std XII. Vishal, 1907.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.