Durning, A. T., Chege, N., & Douglas, C. (1993). Saving the forests: What will it taken. Worldwatch Institute.
Chicagoスタイル(17版)引用形式Durning, Alan Thein, Nancy Chege, , Carole Douglas. Saving the Forests: What Will It Taken. Washington, DC: Worldwatch Institute, 1993.
MLA(9版)引用形式Durning, Alan Thein, et al. Saving the Forests: What Will It Taken. Worldwatch Institute, 1993.
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