Lal B Suresh. (2011). Current environmental issues and challenges. Serial publications.
استشهاد بنمط شيكاغوLal B Suresh. Current Environmental Issues and Challenges. New Delhi: Serial publications, 2011.
MLA استشهادLal B Suresh. Current Environmental Issues and Challenges. Serial publications, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.