APA-čujuhus (7. p.)
Narayan, S., & P.K. Mittal. (2005). Quantitative methods. S. Chand & Company Ltd.
Chicago-čujuhus (17. p.)
Narayan, Shanti, juo P.K. Mittal. Quantitative Methods. New Delhi: S. Chand & Company Ltd, 2005.
MLA-čujuhus (9. p.)
Narayan, Shanti, juo P.K. Mittal. Quantitative Methods. S. Chand & Company Ltd, 2005.
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