Ribuffo, L. P. (1990). Is Poland a Soviet satellite?: Gerald Ford, the Sonnenfeldt Doctrine, and the election of 1976. Diplomatic history. - the Society for Historians of American Foreign Relations, SHAFR.
Citação norma ChicagoRibuffo, Leo P. "Is Poland a Soviet Satellite?: Gerald Ford, the Sonnenfeldt Doctrine, and the Election of 1976." Diplomatic History. - the Society for Historians of American Foreign Relations, SHAFR 1990.
Citação norma MLARibuffo, Leo P. "Is Poland a Soviet Satellite?: Gerald Ford, the Sonnenfeldt Doctrine, and the Election of 1976." Diplomatic History. - the Society for Historians of American Foreign Relations, SHAFR, 1990.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.
