APA aipamena

SP Agnihotri and HS Agarwal. (1980). RAtnas UPSC Guide in Economics for Civil Services Preliminary Examination (2nd ed.). Ratan.

Chicago Style aipamena

SP Agnihotri and HS Agarwal. RAtnas UPSC Guide in Economics for Civil Services Preliminary Examination. 2nd ed. Agra: Ratan, 1980.

MLA aipamena

SP Agnihotri and HS Agarwal. RAtnas UPSC Guide in Economics for Civil Services Preliminary Examination. 2nd ed. Ratan, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.