Sharma, A. e. (2014). General Studies: Civil Services Preliminary Examination, Paper-II. Access Publishing House.
Παραπομπή Chicago StyleSharma, Arun etal. General Studies: Civil Services Preliminary Examination, Paper-II. Access Publishing House, 2014.
Παραπομπή MLASharma, Arun etal. General Studies: Civil Services Preliminary Examination, Paper-II. Access Publishing House, 2014.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.