The treaty of the European Union: The Maastrict Treaty, 7th February, 1992. Project Gutenberg.
Cita Chicago Style (17a ed.)The Treaty of the European Union: The Maastrict Treaty, 7th February, 1992. Champaign, Ill.: Project Gutenberg.
Cita MLA (9a ed.)The Treaty of the European Union: The Maastrict Treaty, 7th February, 1992. Project Gutenberg.
Precaución: Estas citas no son 100% exactas.