Kobek, M. L. P. (2015). Shale Gas in the United States: Transforming Energy Security in the Twenty-first Century. Universidad Nacional Autónoma de México.
Citazione stile Chigago Style (17a edizione)Kobek, Maria Luisa Parraguez. Shale Gas in the United States: Transforming Energy Security in the Twenty-first Century. Universidad Nacional Autónoma de México, 2015.
Citatione MLA (9a ed.)Kobek, Maria Luisa Parraguez. Shale Gas in the United States: Transforming Energy Security in the Twenty-first Century. Universidad Nacional Autónoma de México, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.