Pelletiere, S. C. (2004). America's oil wars. Praeger.
Lua i Stíl Chicago (17ú heag.)Pelletiere, Stephen C. America's Oil Wars. Westport, CT: Praeger, 2004.
Lua MLA (9ú heag.)Pelletiere, Stephen C. America's Oil Wars. Praeger, 2004.
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