APA সাইটেশন

(1980). Civil Service Examination ; IAS Preliminary Screening Test. Sudha.

শিকাগো স্টাইলে সাইটেশন

Civil Service Examination ; IAS Preliminary Screening Test. New Delhi: Sudha, 1980.

এমএলএ সাইটেশন

Civil Service Examination ; IAS Preliminary Screening Test. Sudha, 1980.