APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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