(1999). SPECTRUM'S HANDBOOK of general studies: UPSC civil services preliminary exam.1999 (13th ed.). Spectrum India.
Čikaški stil citiranjaSPECTRUM'S HANDBOOK of General Studies: UPSC Civil Services Preliminary Exam.1999. 13th ed. New Delhi: Spectrum India, 1999.
MLA način citiranjaSPECTRUM'S HANDBOOK of General Studies: UPSC Civil Services Preliminary Exam.1999. 13th ed. Spectrum India, 1999.
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