Παραπομπή APA

El-Agraa, A. M. (1997). Economic integration worldwide. Mac Millan.

Παραπομπή Chicago Style

El-Agraa, Ali M. Economic Integration Worldwide. New York: Mac Millan, 1997.

Παραπομπή MLA

El-Agraa, Ali M. Economic Integration Worldwide. Mac Millan, 1997.