Pingali Venugopal. (2004). State of the indian farmer: A millennium study (v.8 : input management). Academic Foundation.
Stile di citazione ChicagoPingali Venugopal. State of the Indian Farmer: A Millennium Study (v.8 : Input Management). New Delhi: Academic Foundation, 2004.
Citazione MLAPingali Venugopal. State of the Indian Farmer: A Millennium Study (v.8 : Input Management). Academic Foundation, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.