(1996). Tata Mcgraw Hills General studies Manual for UPSC Civil services Preliminary Examination. McGraw-Hill.
Παραπομπή Chicago StyleTata Mcgraw Hills General Studies Manual for UPSC Civil Services Preliminary Examination. New Delhi: McGraw-Hill, 1996.
Παραπομπή MLATata Mcgraw Hills General Studies Manual for UPSC Civil Services Preliminary Examination. McGraw-Hill, 1996.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.