Dyfyniad APA

Surender Singh. (2019). General Studies Paper I for Civil Services Preliminary Examination. McGraw Hill Education Pvt Ltd.

Dyfyniad Arddull Chicago

Surender Singh. General Studies Paper I for Civil Services Preliminary Examination. Chennai: McGraw Hill Education Pvt Ltd, 2019.

Dyfyniad MLA

Surender Singh. General Studies Paper I for Civil Services Preliminary Examination. McGraw Hill Education Pvt Ltd, 2019.

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