Gaya APA
      Costoya, M, M. (2007).
    Toward a Typology of Civil Society Actors. The Case of the Movement to Change International Trade Rules and Barriers .
    Geneva:
  United Nations Research Institute for Social Development (UNRISD).
  
Gaya MLA
      Costoya, Manuel, Mejido.
    "Toward a Typology of Civil Society Actors. The Case of the Movement to Change International Trade Rules and Barriers".
    
    Geneva:
  United Nations Research Institute for Social Development (UNRISD),
  2007.
  e-journal.