Παραπομπή σε μορφή APA (7η εκδ.)

Annis, S. (1992). Poverty, natural resources and public policy in Central America. Overseas Development Council.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Annis, Sheldon. Poverty, Natural Resources and Public Policy in Central America. Washington (State): Overseas Development Council, 1992.

Παραπομπή σε μορφή MLA (9th εκδ.)

Annis, Sheldon. Poverty, Natural Resources and Public Policy in Central America. Overseas Development Council, 1992.