Turvey, S. (2008). Witness to extinction: How we failed to save the Yangtze River dolphin. Oxford University Press.
芝加哥风格引文Turvey, Sam. Witness to Extinction: How We Failed to Save the Yangtze River Dolphin. Oxford ; New York: Oxford University Press, 2008.
MLA引文Turvey, Sam. Witness to Extinction: How We Failed to Save the Yangtze River Dolphin. Oxford University Press, 2008.
警告：这些引文格式不一定是100％准确.