Petikan APA

Tesfaye Teklu., Von Braun, J., & Zaki, E. A. A. (1991). Drought and famine relationships in Sudan: Policy implications. Washington, D.C.: International Food Policy Research Institute.

Petikan Gaya Chicago

Tesfaye Teklu., Joachim Von Braun, and Elsayed Ali Ahmed Zaki. Drought and Famine Relationships in Sudan: Policy Implications. Washington, D.C.: International Food Policy Research Institute, 1991.

Petikan MLA

Tesfaye Teklu., Joachim Von Braun, and Elsayed Ali Ahmed Zaki. Drought and Famine Relationships in Sudan: Policy Implications. Washington, D.C.: International Food Policy Research Institute, 1991.