Deitz, J. E., & Southam, J. L. (2009). Contemporary business mathematics: For colleges (fifteenth edition.). South-Western Cengage Learning.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিDeitz, James E., এবং James L. Southam. Contemporary Business Mathematics: For Colleges. fifteenth edition. Mason, Ohio: South-Western Cengage Learning, 2009.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিDeitz, James E., এবং James L. Southam. Contemporary Business Mathematics: For Colleges. fifteenth edition. South-Western Cengage Learning, 2009.
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