McGraw Hill Education Series. (2014). General Studies for civil Services Preliminary Examination - Paer - II- 2014. McGraw Hill Education (India) Pvt. Ltd.
Cita Chicago Style (17a ed.)McGraw Hill Education Series. General Studies for Civil Services Preliminary Examination - Paer - II- 2014. New Delhi: McGraw Hill Education (India) Pvt. Ltd, 2014.
Cita MLA (9a ed.)McGraw Hill Education Series. General Studies for Civil Services Preliminary Examination - Paer - II- 2014. McGraw Hill Education (India) Pvt. Ltd, 2014.
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