Elzey, F. F., & Armstrong, C. P. (1973). Self-instructional supplement for Basic statistics in business and economics. Wadsworth Publishing Co.
Citace podle Chicago (17th ed.)Elzey, Freeman F., a Charles P. Armstrong. Self-instructional Supplement for Basic Statistics in Business and Economics. Belmont: Wadsworth Publishing Co, 1973.
Citace podle MLA (9th ed.)Elzey, Freeman F., a Charles P. Armstrong. Self-instructional Supplement for Basic Statistics in Business and Economics. Wadsworth Publishing Co, 1973.
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