APA
(1977). National Sample Survey No.255/9: Twentyseventh round: October 1972 -September 1973 - Some summary information on the survey on employment and unemployment(Preliminary and provisional)States: Chandigarh, Delhi, Manipur, Meghalaya, Nagaland and Tripura. : .
Chicago
1977. National Sample Survey No.255/9: Twentyseventh round: October 1972 -September 1973 - Some summary information on the survey on employment and unemployment(Preliminary and provisional)States: Chandigarh, Delhi, Manipur, Meghalaya, Nagaland and Tripura. : .
Harvard
(1977). National Sample Survey No.255/9: Twentyseventh round: October 1972 -September 1973 - Some summary information on the survey on employment and unemployment(Preliminary and provisional)States: Chandigarh, Delhi, Manipur, Meghalaya, Nagaland and Tripura. : .
MLA
National Sample Survey No.255/9: Twentyseventh round: October 1972 -September 1973 - Some summary information on the survey on employment and unemployment(Preliminary and provisional)States: Chandigarh, Delhi, Manipur, Meghalaya, Nagaland and Tripura. : . 1977.