APA (7 वां संस्करण) प्रशस्ति पत्र

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.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

López, Beatriz Herrera, Ramón S. Acle Mena, और 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.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

López, 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.

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