Pineo, R. F. (2007). Ecuador and the United States: Useful strangers. University of Georgia Press.
芝加哥风格引文Pineo, Ronn F. Ecuador and the United States: Useful Strangers. Athens: University of Georgia Press, 2007.
MLA引文Pineo, Ronn F. Ecuador and the United States: Useful Strangers. University of Georgia Press, 2007.
警告：这些引文格式不一定是100％准确.