Summers, G. W., & Peters, W. S. (1973). Self-correcting exercises for Basic statistics in business and economics. Wadsworth Publishing Co.
Chicago-Zitierstil (17. Ausg.)Summers, George W., und William S. Peters. Self-correcting Exercises for Basic Statistics in Business and Economics. Belmont: Wadsworth Publishing Co, 1973.
MLA-Zitierstil (9. Ausg.)Summers, George W., und William S. Peters. Self-correcting Exercises for Basic Statistics in Business and Economics. Wadsworth Publishing Co, 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.