(2010). U.S.A. history in brief. U.S.A: U.S. Department of State.
Trích dẫn kiểu ChicagoU.S.A. History in Brief. U.S.A: U.S. Department of State, 2010.
ציטוט MLAU.S.A. History in Brief. U.S.A: U.S. Department of State, 2010.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.