Cita APA (7th ed.)
El-Agraa, A. M. Regional Integration: Experience, Theory and Measurement. Macmillan.
Cita Chicago (17th ed.)
El-Agraa, Ali M. Regional Integration: Experience, Theory and Measurement. Londres, Inglaterra: Macmillan.
Cita MLA (9th ed.)
El-Agraa, Ali M. Regional Integration: Experience, Theory and Measurement. Macmillan.
Atenció: Aquestes cites poden no estar 100% correctes.