Weddell, B. J. (2002). Conserving living natural resources: In the context of a changing world. Cambridge, U.K.,New York, NY: Cambridge University Press.
Trích dẫn kiểu ChicagoWeddell, Bertie J. Conserving Living Natural Resources: In the Context of a Changing World. Cambridge, U.K.,New York, NY: Cambridge University Press, 2002.
MLA引文Weddell, Bertie J. Conserving Living Natural Resources: In the Context of a Changing World. Cambridge, U.K.,New York, NY: Cambridge University Press, 2002.
警告：這些引文格式不一定是100％准確.