APA-čujuhus (7. p.)

Gupta,S.P, & Gupta M. P. (2025). Business Statistics (19th ed.). Sultan chand &sons.

Chicago-čujuhus (17. p.)

Gupta,S.P, juo Gupta M. P. Business Statistics. 19th ed. Newdelhi: Sultan chand &sons, 2025.

MLA-čujuhus (9. p.)

Gupta,S.P, juo Gupta M. P. Business Statistics. 19th ed. Sultan chand &sons, 2025.

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