Iglesias-Leal, R. (2008). Space sciences in the development of social sustainability (second part). Universidad Autónoma de Tamaulipas.
Lua i Stíl Chicago (17ú heag.)Iglesias-Leal, Ramiro. Space Sciences in the Development of Social Sustainability (second Part). Universidad Autónoma de Tamaulipas, 2008.
Lua MLA (8ú heag.)Iglesias-Leal, Ramiro. Space Sciences in the Development of Social Sustainability (second Part). Universidad Autónoma de Tamaulipas, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
