Sheldom, A. Poverty, natural resources and public policy in Central America.
Cita Chicago Style (17a ed.)Sheldom, Annis. Poverty, Natural Resources and Public Policy in Central America.
Cita MLA (9a ed.)Sheldom, Annis. Poverty, Natural Resources and Public Policy in Central America.
警告：這些引文格式不一定是100％准確.