International Seminar in Stuttering and Behavior Therapy, C., Gray, B. B., England, G., & Monterey Institute for Speech and Hearing. (1969). Stuttering and the conditioning therapies. Institute for Speech and Hearing.
Chicago-referens (17:e uppl.)International Seminar in Stuttering and Behavior Therapy, Carmel, Burl B. Gray, Gene England, och Monterey Institute for Speech and Hearing. Stuttering and the Conditioning Therapies. Monterey: Institute for Speech and Hearing, 1969.
MLA-referens (9:e uppl.)International Seminar in Stuttering and Behavior Therapy, Carmel, et al. Stuttering and the Conditioning Therapies. Institute for Speech and Hearing, 1969.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.