Lua APA (7ú heag.)
Willard, D. (1991). The spirit of the disciplines: Understanding how God changes lives. Harper.
Lua i Stíl Chicago (17ú heag.)
Willard, Dallas. The Spirit of the Disciplines: Understanding How God Changes Lives. San Francisco: Harper, 1991.
Lua MLA (9ú heag.)
Willard, Dallas. The Spirit of the Disciplines: Understanding How God Changes Lives. Harper, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.