Pedraza, A. B. (2005). The US Borders with Mexico and Canada after the Terrorist Atacks of September 11th. 2001. A Comparative View. Universidad Nacional Autónoma de México.
Chicago-Zitierstil (17. Ausg.)Pedraza, Alejandra Bueno. The US Borders with Mexico and Canada After the Terrorist Atacks of September 11th. 2001. A Comparative View. Universidad Nacional Autónoma de México, 2005.
MLA-Zitierstil (9. Ausg.)Pedraza, Alejandra Bueno. The US Borders with Mexico and Canada After the Terrorist Atacks of September 11th. 2001. A Comparative View. Universidad Nacional Autónoma de México, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.