Lua APA (7ú heag.)
Marion, J., & Lewis, S. E. (2011). The reason of the gift. University of Virginia Press.
Lua i Stíl Chicago (17ú heag.)
Marion, Jean-Luc, agus Stephen E. Lewis. The Reason of the Gift. Charlottesville: University of Virginia Press, 2011.
Lua MLA (9ú heag.)
Marion, Jean-Luc, agus Stephen E. Lewis. The Reason of the Gift. University of Virginia Press, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.