Lua APA (7ú heag.)
ebrary, Inc, Johnston, D., & Zimmermann, R. (2002). Unjustified enrichment: Key issues in comparative perspective. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, David Johnston, agus Reinhard Zimmermann. Unjustified Enrichment: Key Issues in Comparative Perspective. Cambridge, U.K. ; New York: Cambridge University Press, 2002.
Lua MLA (9ú heag.)
ebrary, Inc, et al. Unjustified Enrichment: Key Issues in Comparative Perspective. Cambridge University Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.