Langley, L. D. (1985). The United States and the Caribbean in the twentieth century. The University of Georgia.
Chicago-referens (17:e uppl.)Langley, Lester D. The United States and the Caribbean in the Twentieth Century. Atlanta: The University of Georgia, 1985.
MLA-referens (9:e uppl.)Langley, Lester D. The United States and the Caribbean in the Twentieth Century. The University of Georgia, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.