1. Diagnostic and statistical manual of mental disorders,1968
2. Aversion therapy of homosexuality;Bancroft;British Journal of Psychiatry,1969
3. A comparative study of aversion and desensitization in the treatment of homosexuality;Bancroft,1970
4. Principles of behavior modification;Bandura,1969
5. Homosexual behavior: therapy and assessment;Barlow;Behavior Therapy,1972