APA (7e ed.) Bronvermelding

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.

Chicago (17e ed.) Bronvermelding

Santos-Barrera, Georgina, Jesús Pacheco, en 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 (9e ed.) Bronvermelding

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.