Santos-Barrera, G., Pacheco, J., & Ceballos, G. (2008). Amphibians and reptiles associated with the prairie dog grasslands ecosystem and surrounding areas at the janos casas grandes complex, Northwestern Chihuahua, México. Instituto de Ecología, A.C.
Čikaški stil citiranja (17. izdanje)Santos-Barrera, Georgina, Jesús Pacheco, i Gerardo Ceballos. Amphibians and Reptiles Associated with the Prairie Dog Grasslands Ecosystem and Surrounding Areas at the Janos Casas Grandes Complex, Northwestern Chihuahua, México. Instituto de Ecología, A.C, 2008.
MLA način citiranja (9. izdanje)Santos-Barrera, Georgina, et al. Amphibians and Reptiles Associated with the Prairie Dog Grasslands Ecosystem and Surrounding Areas at the Janos Casas Grandes Complex, Northwestern Chihuahua, México. Instituto de Ecología, A.C, 2008.
