McGee, R. S. (1990). Raph's twelve-step program for avercoming chemical dependecy: With support materials from the for significance (2ª ed.). Rapha.
Cita Chicago (17th ed.)McGee, Robert S. Raph's Twelve-step Program for Avercoming Chemical Dependecy: With Support Materials from the for Significance. 2ª ed. Rapha, 1990.
Cita MLA (9th ed.)McGee, Robert S. Raph's Twelve-step Program for Avercoming Chemical Dependecy: With Support Materials from the for Significance. 2ª ed. Rapha, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.