Pérez Verdín, G., Lee, M. E., & Chavez, D. J. (2016). Planning forest recreation in natural protected areas of southern Durango, Mexico. Instituto de Ecología, A.C.
Style de citation Chicago (17e éd.)Pérez Verdín, Gustavo, Martha E. Lee, et Deborah J. Chavez. Planning Forest Recreation in Natural Protected Areas of Southern Durango, Mexico. Instituto de Ecología, A.C, 2016.
Style de citation MLA (9e éd.)Pérez Verdín, Gustavo, et al. Planning Forest Recreation in Natural Protected Areas of Southern Durango, Mexico. Instituto de Ecología, A.C, 2016.