Gasper, D. (2000). Structures and meanings: A way to introduce argumentation analysis in policy studies education. ORPAS - Institute of Social Studies.
Lua i Stíl Chicago (17ú heag.)Gasper, Des. Structures and Meanings: A Way to Introduce Argumentation Analysis in Policy Studies Education. The Hague: ORPAS - Institute of Social Studies, 2000.
Lua MLA (9ú heag.)Gasper, Des. Structures and Meanings: A Way to Introduce Argumentation Analysis in Policy Studies Education. ORPAS - Institute of Social Studies, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.