APA(7版)引用形式

.Conrad, J. M., & .Clark, C. W. (1987). Natural resource economics: Notes and problems. Cambridge University Press.

Chicagoスタイル(17版)引用形式

.Conrad, Jon M., , Colin W. .Clark. Natural Resource Economics: Notes and Problems. [Cambridge [Cambridgeshire ; New York: Cambridge University Press, 1987.

MLA(9版)引用形式

.Conrad, Jon M., , Colin W. .Clark. Natural Resource Economics: Notes and Problems. Cambridge University Press, 1987.

警告: この引用は必ずしも正確ではありません.