Ash, K. M. (1994). Miracles Happen: The Life and Timeless Principles of the Founder of Mary Kay Inc (3rd.). HarperCollins.
Chicago-Zitierstil (17. Ausg.)Ash, Kay Mary. Miracles Happen: The Life and Timeless Principles of the Founder of Mary Kay Inc. 3rd. New York: HarperCollins, 1994.
MLA-Zitierstil (9. Ausg.)Ash, Kay Mary. Miracles Happen: The Life and Timeless Principles of the Founder of Mary Kay Inc. 3rd. HarperCollins, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.