Williamson, M. (1997). The healing of America. Simon & Schuster.
Chicago Style aipamenaWilliamson, Marianne. The Healing of America. New York, NY: Simon & Schuster, 1997.
MLA aipamenaWilliamson, Marianne. The Healing of America. Simon & Schuster, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.