Safdar Mahmood. (1971). Pay your own income tax. Caravan Book House.
Chicago Style aipamenaSafdar Mahmood. Pay Your Own Income Tax. Lahore: Caravan Book House, 1971.
MLA aipamenaSafdar Mahmood. Pay Your Own Income Tax. Caravan Book House, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.