Akhtar, S. M. (1949). An Introduction economics of Pakistan. Publishers United.
Chicago Style (17th ed.) ZitazioaAkhtar, S. M. An Introduction Economics of Pakistan. Lahore: Publishers United, 1949.
MLA (9th ed.) ZitazioaAkhtar, S. M. An Introduction Economics of Pakistan. Publishers United, 1949.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.