Halffter, G. (2011). Biosphere Reserves: Problems and oportunities in México. Instituto de Ecología, A.C.
Chicago Style (17th ed.) CitationHalffter, Gonzalo. Biosphere Reserves: Problems and Oportunities in México. Instituto de Ecología, A.C, 2011.
MLA citiranjeHalffter, Gonzalo. Biosphere Reserves: Problems and Oportunities in México. Instituto de Ecología, A.C, 2011.
Opozorilo: Ti citati niso vedno 100% točni.