Cita APA

Singh, J. (2005). Environment and Development challenges and Opportunities.

Chicago Edition Citation

Singh, Jagbir. Environment and Development Challenges and Opportunities. New Delhi, I K International, 2005.

Cita MLA

Singh, Jagbir. Environment and Development Challenges and Opportunities. 2005.

Atenció: Aquestes cites poden no estar 100% correctes.