Ash, M. (1993). The Zen of recovery. Jeremy P. Tarcher/Perigee.
Cita Chicago (17th ed.)Ash, Mel. The Zen of Recovery. New York, N.Y: Jeremy P. Tarcher/Perigee, 1993.
Cita MLA (9th ed.)Ash, Mel. The Zen of Recovery. Jeremy P. Tarcher/Perigee, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.