Cita APA (7th ed.)
Keller, G. (1990). Study guide for statistics for management and economics: A systematic approach (2nd ed.). Wadsworth Publ. Co..
Cita Chicago (17th ed.)
Keller, Gerald. Study Guide for Statistics for Management and Economics: A Systematic Approach. 2nd ed. California: Wadsworth Publ. Co., 1990.
Cita MLA (9th ed.)
Keller, Gerald. Study Guide for Statistics for Management and Economics: A Systematic Approach. 2nd ed. Wadsworth Publ. Co., 1990.
Atenció: Aquestes cites poden no estar 100% correctes.