Iglesias-Leal, R. (2007). Space sciences and their role in the development of social sustainability (first part). Universidad Autónoma de Tamaulipas.
Lua i Stíl Chicago (17ú heag.)Iglesias-Leal, Ramiro. Space Sciences and Their Role in the Development of Social Sustainability (first Part). Universidad Autónoma de Tamaulipas, 2007.
Lua MLA (8ú heag.)Iglesias-Leal, Ramiro. Space Sciences and Their Role in the Development of Social Sustainability (first Part). Universidad Autónoma de Tamaulipas, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
