Schuller, R. A. (1997). In search of morality: How you can live a fulfilling life from the inside out. Fleming H.Revell.
Lua i Stíl Chicago (17ú heag.)Schuller, Robert A. In Search of Morality: How You Can Live a Fulfilling Life from the Inside Out. Grand Rapids: Fleming H.Revell, 1997.
Lua MLA (9ú heag.)Schuller, Robert A. In Search of Morality: How You Can Live a Fulfilling Life from the Inside Out. Fleming H.Revell, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.