APA
Uttar Pradesh S. P. I., .State income estimates 1970 -71 to 1980 -81 Uttar Pradesh. New Delhi: .
Chicago
Uttar Pradesh State Planning Institute, .State income estimates 1970 -71 to 1980 -81 Uttar Pradesh. New Delhi: .
Harvard
Uttar Pradesh S. P. I., .State income estimates 1970 -71 to 1980 -81 Uttar Pradesh. New Delhi: .
MLA
Uttar Pradesh State Planning Institute, .New Delhi: . .