APA
Koester U, Valdes A & Schafer H. (1990). Demand-Side Constraints And Structural Adjustment In Sub-Saharan African Countries. Washington: IFPRI.
Chicago
Koester U, Valdes A and Schafer H. 1990. Demand-Side Constraints And Structural Adjustment In Sub-Saharan African Countries. Washington: IFPRI.
Harvard
Koester U, Valdes A and Schafer H. (1990). Demand-Side Constraints And Structural Adjustment In Sub-Saharan African Countries. Washington: IFPRI.
MLA
Koester U, Valdes A and Schafer H. Demand-Side Constraints And Structural Adjustment In Sub-Saharan African Countries. Washington: IFPRI. 1990.