Wakeford, R. E., & Biran, L. A. (1970). Programmes in the health sciences: A bibliography of programmed texts and programmes for teaching machines for dental, medical, and nursing students (2d ed.). Published by the National Centre for Programmed Learning with assistance from the British Life Assurance Trust for Health Education with the British Medical Assn..

Wakeford, Richard E., and L. A. Biran. Programmes in the Health Sciences: A Bibliography of Programmed Texts and Programmes for Teaching Machines for Dental, Medical, and Nursing Students. 2d ed. [Birmingham, Eng.]: Published by the National Centre for Programmed Learning with assistance from the British Life Assurance Trust for Health Education with the British Medical Assn., 1970.

Wakeford, Richard E., and L. A. Biran. Programmes in the Health Sciences: A Bibliography of Programmed Texts and Programmes for Teaching Machines for Dental, Medical, and Nursing Students. 2d ed. Published by the National Centre for Programmed Learning with assistance from the British Life Assurance Trust for Health Education with the British Medical Assn., 1970.