Dyfyniad APA

GUPTA A P. (1987). BUSINESS STATISTICS (6.). SULTAN CHAND AND SONS.

Dyfyniad Arddull Chicago

GUPTA A P. BUSINESS STATISTICS. 6. NEW DELHI: SULTAN CHAND AND SONS, 1987.

Dyfyniad MLA

GUPTA A P. BUSINESS STATISTICS. 6. SULTAN CHAND AND SONS, 1987.

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