APA (7e ed.) Bronvermelding
Turvey, S. (2008). Witness to extinction: How we failed to save the Yangtze River dolphin. Oxford University Press.
Chicago (17e ed.) Bronvermelding
Turvey, Sam. Witness to Extinction: How We Failed to Save the Yangtze River Dolphin. Oxford ; New York: Oxford University Press, 2008.
MLA (9e ed.) Bronvermelding
Turvey, Sam. Witness to Extinction: How We Failed to Save the Yangtze River Dolphin. Oxford University Press, 2008.
Let op: Deze citaties zijn niet altijd 100% accuraat.