Zettersten, R. (1989). Dr. Dorson: Turning hearts towards home: The life and principles of America's family advocate. Word Pub..
Cita Chicago (17th ed.)Zettersten, Rolf. Dr. Dorson: Turning Hearts Towards Home: The Life and Principles of America's Family Advocate. London: Word Pub., 1989.
Cita MLA (9th ed.)Zettersten, Rolf. Dr. Dorson: Turning Hearts Towards Home: The Life and Principles of America's Family Advocate. Word Pub., 1989.
Atenció: Aquestes cites poden no estar 100% correctes.