Cooper, W. H. (2006). Generalized system of preferences. Congressional Research Service, the Library of Congress.
Chicago Style (17th ed.) CitationCooper, William H. Generalized System of Preferences. [Washington, District of Columbia]: Congressional Research Service, the Library of Congress, 2006.
MLA (9th ed.) CitationCooper, William H. Generalized System of Preferences. Congressional Research Service, the Library of Congress, 2006.
Warning: These citations may not always be 100% accurate.