McGraw Hill Education Series. (2014). General Studies for civil Services Preliminary Examination - Paer - II- 2014. McGraw Hill Education (India) Pvt. Ltd.
芝加哥风格引文McGraw Hill Education Series. General Studies for Civil Services Preliminary Examination - Paer - II- 2014. New Delhi: McGraw Hill Education (India) Pvt. Ltd, 2014.
MLA引文McGraw Hill Education Series. General Studies for Civil Services Preliminary Examination - Paer - II- 2014. McGraw Hill Education (India) Pvt. Ltd, 2014.
警告：这些引文格式不一定是100％准确.