N.W.F.P. Employees' Social Security Institution. Annual report. N.W.F.P. Employees' Social Security Institution.
Chicago Style aipamenaN.W.F.P. Employees' Social Security Institution. Annual Report. Peshawar: N.W.F.P. Employees' Social Security Institution.
MLA aipamenaN.W.F.P. Employees' Social Security Institution. Annual Report. N.W.F.P. Employees' Social Security Institution.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.