Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.