Krishnadas,K. (2009). Rice economy and Kerala model clustering. Serials.
Chicago Style aipamenaKrishnadas,K. Rice Economy and Kerala Model Clustering. New Delhi: Serials, 2009.
MLA aipamenaKrishnadas,K. Rice Economy and Kerala Model Clustering. Serials, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.