Dennis, J. (2005). Leading with Billy Graham: The leadership principles and life of T. W. Wilson. Grand Rapids, MI : Baker Books.
Citace podle Chicago (17th ed.)Dennis, Jay. Leading with Billy Graham: The Leadership Principles and Life of T. W. Wilson. Grand Rapids, MI : Baker Books, 2005.
Citace podle MLA (9th ed.)Dennis, Jay. Leading with Billy Graham: The Leadership Principles and Life of T. W. Wilson. Grand Rapids, MI : Baker Books, 2005.
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