Ketcham, D. C. (1987). Study guide to accompany Pinches: Essentials of financial management / David C. Ketcham, George E. Pinches (2nd ed.). Harper & Row.
Cita Chicago (17th ed.)Ketcham, David C. Study Guide to Accompany Pinches: Essentials of Financial Management / David C. Ketcham, George E. Pinches. 2nd ed. New York: Harper & Row, 1987.
Cita MLA (9th ed.)Ketcham, David C. Study Guide to Accompany Pinches: Essentials of Financial Management / David C. Ketcham, George E. Pinches. 2nd ed. Harper & Row, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.