Dennis, J. (2005). Leading with Billy Graham: The leadership principles and life of T. W. Wilson. Grand Rapids, MI : Baker Books.
Chicago-referens (17:e uppl.)Dennis, Jay. Leading with Billy Graham: The Leadership Principles and Life of T. W. Wilson. Grand Rapids, MI : Baker Books, 2005.
MLA-referens (9:e uppl.)Dennis, Jay. Leading with Billy Graham: The Leadership Principles and Life of T. W. Wilson. Grand Rapids, MI : Baker Books, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.