Παραπομπή σε μορφή APA (7η εκδ.)

Harbison, R. W., & Hanushek, E. A. (1992). Educational performance of the poor: Lessons from rural northeast Brazil. Published for the World Bank, Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Harbison, Ralph W., και Eric A. Hanushek. Educational Performance of the Poor: Lessons from Rural Northeast Brazil. Oxford ; New York: Published for the World Bank, Oxford University Press, 1992.

Παραπομπή σε μορφή MLA (8th εκδ.)

Harbison, Ralph W., και Eric A. Hanushek. Educational Performance of the Poor: Lessons from Rural Northeast Brazil. Published for the World Bank, Oxford University Press, 1992.