N.W.F.P. Employees' Social Security Institution. Annual report. N.W.F.P. Employees' Social Security Institution.
Chicago-referens (17:e uppl.)N.W.F.P. Employees' Social Security Institution. Annual Report. Peshawar: N.W.F.P. Employees' Social Security Institution.
MLA-referens (8:e uppl.)N.W.F.P. Employees' Social Security Institution. Annual Report. N.W.F.P. Employees' Social Security Institution.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.