Vajda, I., & Simai, M. (1971). Foreign trade in a planned economy. University Press.
芝加哥风格引文Vajda, Imre, 与 Mihaly Simai. Foreign Trade in a Planned Economy. Cambridge, Eng: University Press, 1971.
MLA引文Vajda, Imre, 与 Mihaly Simai. Foreign Trade in a Planned Economy. University Press, 1971.
警告：这些引文格式不一定是100％准确.