APA引文

Surender Singh. (2018). General studies: For Civil Services preliminary examination: Paper I. Mc Graw Hill India.

Chicago Edition Citation

Surender Singh. General Studies: For Civil Services Preliminary Examination: Paper I. Chennai: Mc Graw Hill India, 2018.

MLA引文

Surender Singh. General Studies: For Civil Services Preliminary Examination: Paper I. Mc Graw Hill India, 2018.

警告：这些引文格式不一定是100％准确.