Sen, D. (1964). Geometry & co-ordinate Geometry. Educational Pub. Co.
Čikaški stil citiranja (17. izdanje)Sen, D. Geometry & Co-ordinate Geometry. Bombay: Educational Pub. Co, 1964.
MLA način citiranja (9. izdanje)Sen, D. Geometry & Co-ordinate Geometry. Educational Pub. Co, 1964.
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