Portugal & United States. Department of State. (2002). Aviation, transport services: Agreement between the United States of America and Portugal signed at Lisbon, May 30, 2000, with annexes. U.S. Dept. of State.
Chicago Style (17th ed.) CitationPortugal and United States. Department of State. Aviation, Transport Services: Agreement Between the United States of America and Portugal Signed at Lisbon, May 30, 2000, with Annexes. [Washington, D.C.]: U.S. Dept. of State, 2002.
MLA (8th ed.) CitationPortugal and United States. Department of State. Aviation, Transport Services: Agreement Between the United States of America and Portugal Signed at Lisbon, May 30, 2000, with Annexes. U.S. Dept. of State, 2002.
Warning: These citations may not always be 100% accurate.