Dyfyniad APA

Sánchez-Ramos, G., & Lara-Villalón, M. (2007). Mountain ecosystems and their implications for global climate change. Universidad Autónoma de Tamaulipas.

Dyfyniad Arddull Chicago

Sánchez-Ramos, Gerardo, and Manuel Lara-Villalón. Mountain Ecosystems and Their Implications for Global Climate Change. Universidad Autónoma de Tamaulipas, 2007.

Dyfyniad MLA

Sánchez-Ramos, Gerardo, and Manuel Lara-Villalón. Mountain Ecosystems and Their Implications for Global Climate Change. Universidad Autónoma de Tamaulipas, 2007.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.