Lua APA (7ú heag.)
Helm, P. (2008). Calvin: A guide for the perplexed. T & T Clark.
Lua i Stíl Chicago (17ú heag.)
Helm, Paul. Calvin: A Guide for the Perplexed. London ; New York: T & T Clark, 2008.
Lua MLA (9ú heag.)
Helm, Paul. Calvin: A Guide for the Perplexed. T & T Clark, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.