Cloud, H., & Townsend, J. S. (1992). Boundaries: When to say yes, when to say no to take control of your life. Zondervan Publishing.
Chicago-Zitierstil (17. Ausg.)Cloud, Henry, und John Sims Townsend. Boundaries: When to Say Yes, When to Say No to Take Control of Your Life. Michigan: Zondervan Publishing, 1992.
MLA-Zitierstil (9. Ausg.)Cloud, Henry, und John Sims Townsend. Boundaries: When to Say Yes, When to Say No to Take Control of Your Life. Zondervan Publishing, 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.