Page, G. W. (1991). Quick answers to quantitative problems: A pocket primer. Boston: Academic Press.
Παραπομπή Chicago StylePage, G. William. Quick Answers to Quantitative Problems: A Pocket Primer. Boston: Academic Press, 1991.
Παραπομπή MLAPage, G. William. Quick Answers to Quantitative Problems: A Pocket Primer. Boston: Academic Press, 1991.
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