Husain, M. (2012). Thousand plus questions on Indian and World Geography: General studies for civil services preliminary examinations, Paper I. Mc Graw Hill.
Chicago-tyylinen lähdeviittausHusain, Majid. Thousand Plus Questions on Indian and World Geography: General Studies for Civil Services Preliminary Examinations, Paper I. New Delhi: Mc Graw Hill, 2012.
MLA-viiteHusain, Majid. Thousand Plus Questions on Indian and World Geography: General Studies for Civil Services Preliminary Examinations, Paper I. Mc Graw Hill, 2012.
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