Não informado. (1970). Foreign Policy. Carnegie Endowment for International Peace.
Chicago (17e ed.) BronvermeldingNão informado. Foreign Policy. Washington: Carnegie Endowment for International Peace, 1970.
MLA (8e ed.) BronvermeldingNão informado. Foreign Policy. Carnegie Endowment for International Peace, 1970.
Let op: Deze citaties zijn niet altijd 100% accuraat.