Lua APA (7ú heag.)
Lebel, J. (2003). Health: An ecosystem approach. International Development Research Centre.
Lua i Stíl Chicago (17ú heag.)
Lebel, Jean. Health: An Ecosystem Approach. Ottawa: International Development Research Centre, 2003.
Lua MLA (9ú heag.)
Lebel, Jean. Health: An Ecosystem Approach. International Development Research Centre, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.