Cita APA (7th ed.)

Addison, J. T., & Siebert, W. S. (1993). Social engineering in the European community: The social charter, Maastricht and beyond. Institute of Economic Affairs.

Cita Chicago (17th ed.)

Addison, John T., i W. Stanley Siebert. Social Engineering in the European Community: The Social Charter, Maastricht and Beyond. London: Institute of Economic Affairs, 1993.

Cita MLA (9th ed.)

Addison, John T., i W. Stanley Siebert. Social Engineering in the European Community: The Social Charter, Maastricht and Beyond. Institute of Economic Affairs, 1993.