Citazione Stile APA (7a Edizione)

Collier, P., & Hoeffler, A. (2002). Aid, policy, and growth in post-conflict societies. Development Research Group.

Citazione stile Chigago Style (17a edizione)

Collier, Paul, e Anke Hoeffler. Aid, Policy, and Growth in Post-conflict Societies. Washington, D.C: Development Research Group, 2002.

Citatione MLA (9a ed.)

Collier, Paul, e Anke Hoeffler. Aid, Policy, and Growth in Post-conflict Societies. Development Research Group, 2002.