Singh,Veena. (1990). Regional disparities in agricultural development. Deep & Deep Publications.
Chicago Style aipamenaSingh,Veena. Regional Disparities in Agricultural Development. New Delhi: Deep & Deep Publications, 1990.
MLA aipamenaSingh,Veena. Regional Disparities in Agricultural Development. Deep & Deep Publications, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.