López, B. H., Acle Mena, R. S., & Paredes Solorio, R. (2012). Evaluation of resources for the exploitation of the nature tourism in the state protected area of "Sierra del Tentzo" in Puebla, Mexico. Universidad Pedagógica y Tecnológica de Colombia.
Chicago Style (17. basım) AtıfLópez, Beatriz Herrera, Ramón S. Acle Mena, ve Ricardo Paredes Solorio. Evaluation of Resources for the Exploitation of the Nature Tourism in the State Protected Area of "Sierra Del Tentzo" in Puebla, Mexico. Universidad Pedagógica y Tecnológica de Colombia, 2012.
MLA (9th ed.) AtıfLópez, Beatriz Herrera, et al. Evaluation of Resources for the Exploitation of the Nature Tourism in the State Protected Area of "Sierra Del Tentzo" in Puebla, Mexico. Universidad Pedagógica y Tecnológica de Colombia, 2012.