APA-viite

Baby,P.K. (2011). Measuring Value of Air Quality: An Economic Approach to Keralas Environment. Director,DPRP CUSAT.

Chicago-tyylinen lähdeviittaus

Baby,P.K. Measuring Value of Air Quality: An Economic Approach to Keralas Environment. Cochin: Director,DPRP CUSAT, 2011.

MLA-viite

Baby,P.K. Measuring Value of Air Quality: An Economic Approach to Keralas Environment. Director,DPRP CUSAT, 2011.

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