Hoeffler, A., & Outram, V. (2008). Need, merit or self-interest: What determines the allocation of aid? University of Oxford.
Lua i Stíl Chicago (17ú heag.)Hoeffler, A., agus V. Outram. Need, Merit or Self-interest: What Determines the Allocation of Aid? University of Oxford, 2008.
Lua MLA (9ú heag.)Hoeffler, A., agus V. Outram. Need, Merit or Self-interest: What Determines the Allocation of Aid? University of Oxford, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.