Allen, J. P., Fertig, J. B., Mattson, M. E., Babor, T. F., & Hesselbrock, V. M. (1994). Personality-based subtypes of chemically dependent patients. In Types of alcoholics: Evidence from clinical, experimental, and genetic research.: Vol. Annals of the New York Academy of Sciences, Vol. 708. (pp. 7–22). New York Academy of Sciences.