Παραπομπή APA

Baby P K. (2011). Measuring values of air quality: An economic approach to kerala's environment. Directorate of Public Relations and Publications, CUSAT.

Παραπομπή Chicago Style

Baby P K. Measuring Values of Air Quality: An Economic Approach to Kerala's Environment. Kochi: Directorate of Public Relations and Publications, CUSAT, 2011.

Παραπομπή MLA

Baby P K. Measuring Values of Air Quality: An Economic Approach to Kerala's Environment. Directorate of Public Relations and Publications, CUSAT, 2011.