Tham khảo Hộ chiếu Hoa Kỳ

  1. ↑ 22 U.S.C. sec. 212; Passports.
  2. ↑ 22 U.S.C. sec. 211a; Passports
  3. ↑ "Passport Card". U.S. Department of State.
  4. ↑ International Civil Aviation Organization, Doc 9303, Machine Readable Travel Documents, Part 1: Machine Readable Passport, Volume 1, Passports with Machine Readable Data Stored in Optical Character Recognition Format, Part 1, Machine Readable Passport (6th ed. 2006), Volume 2: Specifications for Electronically Enabled Passports with Biometric Identification Capabilities (6th ed. 2006).
  5. ↑ "The U.S. Electronic Passport". Bureau of Consular Affairs, U.S. Department of State.
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