Tohutoro APA (7th ed.)
Yale-Loehr, S., Papademetriou, D. G., & Cooper, B. Secure Borders, Open Doors: Visa Procedures in the Post-September 11 Era. Migration Policy Institute.
Tohutoru Kātū Chicago (17th ed.)
Yale-Loehr, Stephen, Demetrios G. Papademetriou, me Betsy Cooper. Secure Borders, Open Doors: Visa Procedures in the Post-September 11 Era. Washington, EUA: Migration Policy Institute.
Tohutoro MLA (9th ed.)
Yale-Loehr, Stephen, et al. Secure Borders, Open Doors: Visa Procedures in the Post-September 11 Era. Migration Policy Institute.
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