Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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