Singh, J. (2005). Environment and Development challenges and Opportunities.
Chicago ZitierstilSingh, Jagbir. Environment and Development Challenges and Opportunities. New Delhi, I K International, 2005.
MLA ZitierstilSingh, Jagbir. Environment and Development Challenges and Opportunities. 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.