Sánchez-Ramos, G., & Lara-Villalón, M. (2007). Mountain ecosystems and their implications for global climate change. Universidad Autónoma de Tamaulipas.
Čikaški stil citiranja (17. izdanje)Sánchez-Ramos, Gerardo, i Manuel Lara-Villalón. Mountain Ecosystems and Their Implications for Global Climate Change. Universidad Autónoma de Tamaulipas, 2007.
MLA način citiranja (8. izdanje)Sánchez-Ramos, Gerardo, i Manuel Lara-Villalón. Mountain Ecosystems and Their Implications for Global Climate Change. Universidad Autónoma de Tamaulipas, 2007.
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