Joseph, B. (2005). Environmental studies. Tata McGraw Hill.
Chicago Edition CitationJoseph, Benny. Environmental Studies. New Delhi: Tata McGraw Hill, 2005.
Deismireacht MLAJoseph, Benny. Environmental Studies. Tata McGraw Hill, 2005.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.