APA引文

Conrad, J. M. (1999). Resource economics. Cambridge ; New York: Cambridge University Press.

Trích dẫn kiểu Chicago

Conrad, Jon M. Resource Economics. Cambridge ; New York: Cambridge University Press, 1999.

MLA引文

Conrad, Jon M. Resource Economics. Cambridge ; New York: Cambridge University Press, 1999.

警告：這些引文格式不一定是100％准確.