Rosenberg, R. R. (1945). Essentials of business mathematics: Principles and practice (4th ed.). The Gregg Pub. Co..
Chicago Style (17th ed.) CitationRosenberg, R. Robert. Essentials of Business Mathematics: Principles and Practice. 4th ed. New York : Chicago [etc.]: The Gregg Pub. Co., 1945.
ציטוט MLARosenberg, R. Robert. Essentials of Business Mathematics: Principles and Practice. 4th ed. The Gregg Pub. Co., 1945.
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