Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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