Shafi, M. (1968). West Pakistan trade unions ordinance, 1968: With commentary s. Bureau of Labour Publications.
Chicago-viite (17. p.)Shafi, Mohammad. West Pakistan Trade Unions Ordinance, 1968: With Commentary S. Karachi: Bureau of Labour Publications, 1968.
MLA-viite (9. p.)Shafi, Mohammad. West Pakistan Trade Unions Ordinance, 1968: With Commentary S. Bureau of Labour Publications, 1968.
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