Coombs, Robert H. Drug-Impaired Professionals. Harvard University Press, 2000.
Spring, Noah. “Home - Indianapolis, Psychologist, Counseling, Therapy, Couples Therapy,
Depression, Anxiety.” Noah Spring, Spring Psychology, 10 Oct. 2018,
"Welcome to the Motivational Interviewing Website!" (2018). Motivational Interviewing
Network of Trainers., 2018, www.motivationalinterviewing.org.
Yalom, Irvin. The Gift of Therapy: An Open Letter to a New Generation of Therapists and
Their Patients. Harper Perennial, 2017.