Barber, C. V., Johnson, N., & Hafild, E. (1994). Breaking the logjam: Obstacles to forest policy reform in Indonesia and the United States. World Resources Institute.
芝加哥风格引文Barber, Charles Victor, Nels Johnson, 与 Emmy Hafild. Breaking the Logjam: Obstacles to Forest Policy Reform in Indonesia and the United States. Washington, DC: World Resources Institute, 1994.
MLA引文Barber, Charles Victor, et al. Breaking the Logjam: Obstacles to Forest Policy Reform in Indonesia and the United States. World Resources Institute, 1994.
警告：这些引文格式不一定是100％准确.