Cita APA

Ellis, A. (2007). The use and design of referendums an international idea working paper: An international idea working paper. Tribunal Supremo de Elecciones de Costa Rica.

Cita MLA

Ellis, Andrew. The Use and Design of Referendums an International Idea Working Paper: An International Idea Working Paper. Tribunal Supremo de Elecciones de Costa Rica, 2007.