Angelsen, A., & Vainio, M. (1998). Poverty and the environment. Comparative Research Programme on Poverty.
Citazione stile Chigago Style (17a edizione)Angelsen, Arild, e Matti Vainio. Poverty and the Environment. Bergen, Norway: Comparative Research Programme on Poverty, 1998.
Citatione MLA (9a ed.)Angelsen, Arild, e Matti Vainio. Poverty and the Environment. Comparative Research Programme on Poverty, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.