APA
Birla Institute of Scientific Research. Economomic Research Division (New Delhi), . (1980). In-migration and informal sector. New Delhi: Vision Books.
Chicago
Birla Institute of Scientific Research. Economomic Research Division (New Delhi), . 1980. In-migration and informal sector. New Delhi: Vision Books.
Harvard
Birla Institute of Scientific Research. Economomic Research Division (New Delhi), . (1980). In-migration and informal sector. New Delhi: Vision Books.
MLA
Birla Institute of Scientific Research. Economomic Research Division (New Delhi), . In-migration and informal sector. New Delhi: Vision Books. 1980.