Cita APA (7a ed.)
Amarasinghe, U. A., Kuppannan, P., Singh, O. P., & Sakthivadivel, R. (2009). State of irrigation in Tamil Nadu: Investments and returns.
Cita Chicago Style (17a ed.)
Amarasinghe, Upali A., Palanisami Kuppannan, Om Prakash Singh, y Ramaswamy Sakthivadivel. State of Irrigation in Tamil Nadu: Investments and Returns. 2009.
Cita MLA (9a ed.)
Amarasinghe, Upali A., et al. State of Irrigation in Tamil Nadu: Investments and Returns. 2009.
Precaución: Estas citas no son 100% exactas.