APA (7th ed.) Zitazioa
ebrary, Inc, Batabyal, A. A., & Nijkamp, P. (2011). Research tools in natural resource and environmental economics. World Scientific.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Amitrajeet A. Batabyal, eta Peter Nijkamp. Research Tools in Natural Resource and Environmental Economics. Hackensack, N.J.: World Scientific, 2011.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Research Tools in Natural Resource and Environmental Economics. World Scientific, 2011.
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