APA (7th ed.) Zitazioa
Mason, R. D. (1990). Statistical techniques in business and economics. (7th ed.). Irwin.
Chicago Style (17th ed.) Zitazioa
Mason, Robert D. Statistical Techniques in Business and Economics. 7th ed. Boston: Irwin, 1990.
MLA (9th ed.) Zitazioa
Mason, Robert D. Statistical Techniques in Business and Economics. 7th ed. Irwin, 1990.
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