Doane, D. P., & Seward, L. W. (2010). Essential statistics in business and economics (2nd ed.). McGraw-Hill Irwin.
Cita Chicago (17th ed.)Doane, David P., i Lori Welte Seward. Essential Statistics in Business and Economics. 2nd ed. Boston: McGraw-Hill Irwin, 2010.
Cita MLA (9th ed.)Doane, David P., i Lori Welte Seward. Essential Statistics in Business and Economics. 2nd ed. McGraw-Hill Irwin, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.