APA-čujuhus (7. p.)

Chawla, D., & Sondhi, N. S. (2011). Research Methodology: Concept and Cases (2nd.). Vikas Publishing House Private Limited.

Chicago-čujuhus (17. p.)

Chawla, Deepak, juo Neena Sondhi Sondhi. Research Methodology: Concept and Cases. 2nd. Noida: Vikas Publishing House Private Limited, 2011.

MLA-čujuhus (9. p.)

Chawla, Deepak, juo Neena Sondhi Sondhi. Research Methodology: Concept and Cases. 2nd. Vikas Publishing House Private Limited, 2011.

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