Lewis, D. (2001). The management of non-governmental development organizations: An introduction. Routledge.
Lua i Stíl Chicago (17ú heag.)Lewis, David. The Management of Non-governmental Development Organizations: An Introduction. London: Routledge, 2001.
Lua MLA (9ú heag.)Lewis, David. The Management of Non-governmental Development Organizations: An Introduction. Routledge, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.