APA
Uttar Pradesh e. s. d., .Statistical abstract of Uttar Pradesh 1980 -81. Lucknow: .
Chicago
Uttar Pradesh economics statistics division, .Statistical abstract of Uttar Pradesh 1980 -81. Lucknow: .
Harvard
Uttar Pradesh e. s. d., .Statistical abstract of Uttar Pradesh 1980 -81. Lucknow: .
MLA
Uttar Pradesh economics statistics division, .Lucknow: . .