Tesfaye Teklu, Von Braun, J., & Zaki, E. (1991). Drought and famine relationships in Sudan: Policy implications. International Food Policy Research Institute.
Citação do estilo Chicago (17ª ed.)Tesfaye Teklu, Joachim Von Braun, e Elsayed Zaki. Drought and Famine Relationships in Sudan: Policy Implications. Washington, D.C: International Food Policy Research Institute, 1991.
Citação MLA (9ª ed.)Tesfaye Teklu, et al. Drought and Famine Relationships in Sudan: Policy Implications. International Food Policy Research Institute, 1991.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.