Template:Wp/grc/Κτῆσις τῶν ΗΠΑ

  1. "Governors", National Governors Association
  2. "Appendix B: Two–Letter State and Possession Abbreviations", pe.usps.com
  3. "State Area Measurements and Internal Point Coordinates", census.gov
  4. "Elevations and Distances in the United States", United States Geological Survey
  5. "Annual Estimates of the Resident Population for the United States, Regions, States, and Puerto Rico: April 1, 2010 to July 1, 2019"