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