Baby,P.K. (2011). Measuring Values of Air Quality: An Economic Approach to Kerala's Environment. Directorate of Public Relations and Publications.
استشهاد بنمط شيكاغوBaby,P.K. Measuring Values of Air Quality: An Economic Approach to Kerala's Environment. India: Directorate of Public Relations and Publications, 2011.
MLA استشهادBaby,P.K. Measuring Values of Air Quality: An Economic Approach to Kerala's Environment. Directorate of Public Relations and Publications, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.