APA
Vidyasagar R, Chandra K. Sumar, . (1991). Child labour in rural India. Hyderabad: National Institute of Rural Development.
Chicago
Vidyasagar R, Chandra K. Sumar, . 1991. Child labour in rural India. Hyderabad: National Institute of Rural Development.
Harvard
Vidyasagar R, Chandra K. Sumar, . (1991). Child labour in rural India. Hyderabad: National Institute of Rural Development.
MLA
Vidyasagar R, Chandra K. Sumar, . Child labour in rural India. Hyderabad: National Institute of Rural Development. 1991.