Venables, A., & Ball, J. (1992). Economic Integration. Elgar.
Cita Chicago (17th ed.)Venables, A., i J. Ball. Economic Integration. Elgar, 1992.
Cita MLA (9th ed.)Venables, A., i J. Ball. Economic Integration. Elgar, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.