Rosenberg, R. R. (1945). Essentials of business mathematics; principles and practice (4th ed.). The Gregg publishing company.
Citazione stile Chigago Style (17a edizione)Rosenberg, Reuben Robert. Essentials of Business Mathematics; Principles and Practice. 4th ed. New York: The Gregg publishing company, 1945.
Citatione MLA (9a ed.)Rosenberg, Reuben Robert. Essentials of Business Mathematics; Principles and Practice. 4th ed. The Gregg publishing company, 1945.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.