Παραπομπή APA

Thirkettle, G. L. (1974). Wheldon's business statistics and statistical method (7th ed. reprinted.). London: MacDonald & Evans.

Παραπομπή Chicago Style

Thirkettle, G. L. Wheldon's Business Statistics and Statistical Method. 7th ed. reprinted. London: MacDonald & Evans, 1974.

Παραπομπή MLA

Thirkettle, G. L. Wheldon's Business Statistics and Statistical Method. 7th ed. reprinted. London: MacDonald & Evans, 1974.

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