Vogt, A., & Colsell, S. (2014). Guided by humanitarian principles. Refugee Studies Centre, University of Oxford.
Lua i Stíl Chicago (17ú heag.)Vogt, A., agus S. Colsell. Guided by Humanitarian Principles. Refugee Studies Centre, University of Oxford, 2014.
Lua MLA (9ú heag.)Vogt, A., agus S. Colsell. Guided by Humanitarian Principles. Refugee Studies Centre, University of Oxford, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.