Thircattle, G. L. (1986). Wheldons business stat and methods (1st edition.). Pitman.
Citace podle Chicago (17th ed.)Thircattle, G L. Wheldons Business Stat and Methods. 1st edition. London: Pitman, 1986.
Citace podle MLA (9th ed.)Thircattle, G L. Wheldons Business Stat and Methods. 1st edition. Pitman, 1986.
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