Rezvani, David A. (2007). "The Basis of Puerto Rico's Constitutional Status: Colony, Compact, or "Federacy"?". Political Science Quarterly. 122 (1). Academy of Political Science: 115–140. doi:10.1002/j.1538-165x.2007.tb00594.x. ISSN0032-3195. OCLC128034053.
Rezvani, David A. (2007). "The Basis of Puerto Rico's Constitutional Status: Colony, Compact, or "Federacy"?". Political Science Quarterly. 122 (1). Academy of Political Science: 115–140. doi:10.1002/j.1538-165x.2007.tb00594.x. ISSN0032-3195. OCLC128034053.