.El-Agraa, A. M. (1982). International Economic Integration. the macmillan press ltd.
Cita Chicago (17th ed.).El-Agraa, Ali M. International Economic Integration. london: the macmillan press ltd, 1982.
Cita MLA (9th ed.).El-Agraa, Ali M. International Economic Integration. the macmillan press ltd, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.