Dyfyniad APA

Singh, S. &. P. (2019). General studies for civil services preliminary examination 2019. McGraw Hill.

Dyfyniad Arddull Chicago

Singh, Surendra & Parmar. General Studies for Civil Services Preliminary Examination 2019. Chennai: McGraw Hill, 2019.

Dyfyniad MLA

Singh, Surendra & Parmar. General Studies for Civil Services Preliminary Examination 2019. McGraw Hill, 2019.

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