Сједињене Америчке Државе — разлика између измена

* {{Cite book|ref=harv| last=Blackburn| first = Robin| title = The Making of New World Slavery: From the Baroque to the Modern, 1492-1800| url = http://books.google.com/books?id=cpd5igMpvzgC|year=1998| publisher = Verso|isbn=978-1-85984-195-2}}

* {{Cite book|ref=harv| last=Dallek| first = Robert|year=2004| title = Lyndon B. Johnson: Portrait of a President | publisher = Oxford University Press |isbn=978-0-19-515920-2|pages=169}}

* {{Cite book|ref=harv| last=Powell| first = John| title = Encyclopedia of North American Immigration| url = http://books.google.com/books?id=VNCX6UsdZYkC&pg=PA74|year=2009| publisher = Infobase Publishing|isbn=978-1-4381-1012-7}}

* {{Cite book|ref=harv| last=Murray| first = Stuart| title = Atlas of American Military History| url = http://books.google.com/books?id=bJ_sy7mmmxQC&pg=PA76|year=2004| publisher = Infobase Publishing|isbn=978-1-4381-3025-5}}