Παραπομπή APA

Wheldon, H. J. (1974). Business statistics and statistical method rev by G L Thirkettle (7th ed.).

Παραπομπή Chicago Style

Wheldon, Harold James. Business Statistics and Statistical Method Rev by G L Thirkettle. 7th ed. 1974.

Παραπομπή MLA

Wheldon, Harold James. Business Statistics and Statistical Method Rev by G L Thirkettle. 7th ed. 1974.