Livingstone, I., & Ord, H. W. (1980). Economics for eastern Africa (Rev. and enl. ed.). Heinemann.
芝加哥风格引文Livingstone, Ian, 与 H. W. Ord. Economics for Eastern Africa. Rev. and enl. ed. Nairobi: Heinemann, 1980.
MLA引文Livingstone, Ian, 与 H. W. Ord. Economics for Eastern Africa. Rev. and enl. ed. Heinemann, 1980.
警告：这些引文格式不一定是100％准确.