De Gregori, T. R. (1969). Economic development: The cultural context. John Wiley & Sons..
芝加哥风格引文De Gregori, Thomas R. Economic Development: The Cultural Context. New York: John Wiley & Sons., 1969.
MLA引文De Gregori, Thomas R. Economic Development: The Cultural Context. John Wiley & Sons., 1969.
警告：这些引文格式不一定是100％准确.