APA-čujuhus (7. p.)

Karthikeyan M. (2021). Ethics,Integrity And Aptitude-For Civil Services Main Examination (4th.). Mc Grow Hill Education (India).

Chicago-čujuhus (17. p.)

Karthikeyan M. Ethics,Integrity And Aptitude-For Civil Services Main Examination. 4th. Chennai: Mc Grow Hill Education (India), 2021.

MLA-čujuhus (9. p.)

Karthikeyan M. Ethics,Integrity And Aptitude-For Civil Services Main Examination. 4th. Mc Grow Hill Education (India), 2021.

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