Singapore & United States. Department of State. (2006). Aviation, transport services: Agreement between the United States of America and Singapore, signed at Singapore April 8, 1997, with annexes. U.S. Dept. of State.
Chicago Style (17th ed.) CitationSingapore and United States. Department of State. Aviation, Transport Services: Agreement Between the United States of America and Singapore, Signed at Singapore April 8, 1997, with Annexes. [Washington, D.C.]: U.S. Dept. of State, 2006.
MLA (9th ed.) CitationSingapore and United States. Department of State. Aviation, Transport Services: Agreement Between the United States of America and Singapore, Signed at Singapore April 8, 1997, with Annexes. U.S. Dept. of State, 2006.
Warning: These citations may not always be 100% accurate.