Törngren, R. (1960). The neutrality of Finland. Foreign affairs. - publ. by the Council on Foreign Relations.
Citação norma ChicagoTörngren, Ralf. "The Neutrality of Finland." Foreign Affairs. - Publ. by the Council on Foreign Relations 1960.
Citação norma MLATörngren, Ralf. "The Neutrality of Finland." Foreign Affairs. - Publ. by the Council on Foreign Relations, 1960.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.