Lua APA (7ú heag.)
ebrary, Inc, & Lucas, M. (2000). Environments. Routledge.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Michael Lucas. Environments. London: Routledge, 2000.
Lua MLA (9ú heag.)
ebrary, Inc, agus Michael Lucas. Environments. Routledge, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.