APA
PUNJAB(Govt. of--) l., PUNJAB(Govt. of--) l., . (1972). pocket book of Punjab Labour statistics. Chandigarh: Labour Commissioner.
Chicago
PUNJAB(Govt. of--) labour(dEPTT.), PUNJAB(Govt. of--) labour(dEPTT.), . 1972. pocket book of Punjab Labour statistics. Chandigarh: Labour Commissioner.
Harvard
PUNJAB(Govt. of--) l., PUNJAB(Govt. of--) l., . (1972). pocket book of Punjab Labour statistics. Chandigarh: Labour Commissioner.
MLA
PUNJAB(Govt. of--) labour(dEPTT.), PUNJAB(Govt. of--) labour(dEPTT.), . pocket book of Punjab Labour statistics. Chandigarh: Labour Commissioner. 1972.