Iglesias-Leal, R. (2008). Space sciences in the development of social sustainability (second part). Universidad Autónoma de Tamaulipas.
Čikaški stil citiranja (17. izdanje)Iglesias-Leal, Ramiro. Space Sciences in the Development of Social Sustainability (second Part). Universidad Autónoma de Tamaulipas, 2008.
MLA način citiranja (8. izdanje)Iglesias-Leal, Ramiro. Space Sciences in the Development of Social Sustainability (second Part). Universidad Autónoma de Tamaulipas, 2008.
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