1. Alcoholics Anonymous General Service Office. (2011a). Origins. Retrieved March 1, 2011, from
http://www.aa.org/aatimeline/
.
2. Alcoholics Anonymous General Service Office. (2011b). A.A. preamble. Retrieved March 1, 2011, from
http://www.aa.org/lang/en/en_pdfs/smf-92_en.pdf
.
3. Alcoholics Anonymous World Services. (1939–2001). Alcoholics Anonymous: The story of how many thousands of men and women have recovered from alcoholism (4th ed.). New York: Alcoholics Anonymous World Services Inc.
4. Alcoholics Anonymous World Services Inc. (1952). Twelve steps and twelve traditions. New York: Alcoholics Anonymous World Services Inc.
5. Alcoholics Anonymous World Services Inc. (2011a). Estimates of A.A. groups and members. Retrieved September 28, 2011, from
http://www.aa.org/lang/en/subpage.cfm?page=74
.