Ledec, G., & Goodland, R. J. A. (1988). Wildlands: Their protection and management in economic development. World Bank.
芝加哥风格引文Ledec, George, 与 Robert J. A. Goodland. Wildlands: Their Protection and Management in Economic Development. Washington, DC: World Bank, 1988.
MLA引文Ledec, George, 与 Robert J. A. Goodland. Wildlands: Their Protection and Management in Economic Development. World Bank, 1988.
警告：这些引文格式不一定是100％准确.