Trích dẫn APA

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

Trích dẫn kiểu Chicago

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

Trích dẫn MLA

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

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