APA
Congress of Local and Regional Authorities of Europe, . (2002). Linguistic Diversity : a challenge for european cities and regions. Strasbourg: Council of Europe Publishing.
Chicago
Congress of Local and Regional Authorities of Europe, . 2002. Linguistic Diversity : a challenge for european cities and regions. Strasbourg: Council of Europe Publishing.
Harvard
Congress of Local and Regional Authorities of Europe, . (2002). Linguistic Diversity : a challenge for european cities and regions. Strasbourg: Council of Europe Publishing.
MLA
Congress of Local and Regional Authorities of Europe, . Linguistic Diversity : a challenge for european cities and regions. Strasbourg: Council of Europe Publishing. 2002.