(1974). Foreign relations of African states. Butterworths.
芝加哥风格引文Foreign Relations of African States. London: Butterworths, 1974.
MLA引文Foreign Relations of African States. Butterworths, 1974.
警告：这些引文格式不一定是100％准确.
APA引文
(1974). Foreign relations of African states. Butterworths.
芝加哥风格引文Foreign Relations of African States. London: Butterworths, 1974.
MLA引文Foreign Relations of African States. Butterworths, 1974.