APA Style

Durmuller, Urs. (1997). Changing Patterns of Multilingualism From quadrilingual to multilingual Switzerland . : Pro Helvetia.

Chicago Style

Durmuller, Urs. Changing Patterns of Multilingualism From quadrilingual to multilingual Switzerland. : Pro Helvetia, 1997. Text.

MLA Style

Durmuller, Urs. Changing Patterns of Multilingualism From quadrilingual to multilingual Switzerland. : Pro Helvetia, 1997. Text.

Turabian Style

Durmuller, Urs. Changing Patterns of Multilingualism From quadrilingual to multilingual Switzerland. : Pro Helvetia, 1997. Print.