Cita APA (7th ed.)
ebrary, Inc, Batabyal, A. A., & Nijkamp, P. (2011). Research tools in natural resource and environmental economics. World Scientific.
Cita Chicago (17th ed.)
ebrary, Inc, Amitrajeet A. Batabyal, i Peter Nijkamp. Research Tools in Natural Resource and Environmental Economics. Hackensack, N.J.: World Scientific, 2011.
Cita MLA (9th ed.)
ebrary, Inc, et al. Research Tools in Natural Resource and Environmental Economics. World Scientific, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.