Schuller, R. A. (1997). In search of morality: How you can live a fulfilling life from the inside out. Fleming H.Revell.
Chicago-referens (17:e uppl.)Schuller, Robert A. In Search of Morality: How You Can Live a Fulfilling Life from the Inside Out. Grand Rapids: Fleming H.Revell, 1997.
MLA-referens (9:e uppl.)Schuller, Robert A. In Search of Morality: How You Can Live a Fulfilling Life from the Inside Out. Fleming H.Revell, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.