APA
Sahn D. E. L. &. S. S., . (1994). Methods for the evaluation of the impact of food and nutrition programmes. The United Nations University, Japan: .
Chicago
Sahn David E Lockwood,Richard & Scrimshaw,Nevin S, . 1994. Methods for the evaluation of the impact of food and nutrition programmes. The United Nations University, Japan: .
Harvard
Sahn D. E. L. &. S. S., . (1994). Methods for the evaluation of the impact of food and nutrition programmes. The United Nations University, Japan: .
MLA
Sahn David E Lockwood,Richard & Scrimshaw,Nevin S, . Methods for the evaluation of the impact of food and nutrition programmes. The United Nations University, Japan: . 1994.