World Bank, Sanchez Triana, E., Ahmed, K., & Awe, Y. (2007). Environmental priorities and poverty reduction: A country environmental analysis for Colombia. World Bank.
Cytowanie według stylu Chicago (wyd. 17)World Bank, Ernesto Sanchez Triana, Kulsum Ahmed, i Yewande Awe. Environmental Priorities and Poverty Reduction: A Country Environmental Analysis for Colombia. Washington, D.C.: World Bank, 2007.
Cytowanie według stylu MLA (wyd. 9)World Bank, et al. Environmental Priorities and Poverty Reduction: A Country Environmental Analysis for Colombia. World Bank, 2007.