APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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