APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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