Deitz, J. E., & Southam, J. L. (1999). Contemporary business mathematics for colleges (12th ed.). Cincinnati, OH: South-Western College.
استشهاد بنمط شيكاغوDeitz, James E., و James L. Southam. Contemporary Business Mathematics for Colleges. 12th ed. Cincinnati, OH: South-Western College, 1999.
MLA استشهادDeitz, James E., و James L. Southam. Contemporary Business Mathematics for Colleges. 12th ed. Cincinnati, OH: South-Western College, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.