APA
National Councial of Applied Economic Research (New Delhi India), National Councial of Applied Economic Research (New Delhi India), . (1966). Cropping pattern in Punjab. : .
Chicago
National Councial of Applied Economic Research (New Delhi India), National Councial of Applied Economic Research (New Delhi India), . 1966. Cropping pattern in Punjab. : .
Harvard
National Councial of Applied Economic Research (New Delhi India), National Councial of Applied Economic Research (New Delhi India), . (1966). Cropping pattern in Punjab. : .
MLA
National Councial of Applied Economic Research (New Delhi India), National Councial of Applied Economic Research (New Delhi India), . Cropping pattern in Punjab. : . 1966.
