Ayala, C. J., & Bernabe, R. (2007). Puerto Rico in the American century: A history since 1898. University of North Carolina Press.
Citace podle Chicago (17th ed.)Ayala, César J., a Rafael Bernabe. Puerto Rico in the American Century: A History Since 1898. Chapel Hill: University of North Carolina Press, 2007.
Citace podle MLA (9th ed.)Ayala, César J., a Rafael Bernabe. Puerto Rico in the American Century: A History Since 1898. University of North Carolina Press, 2007.
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