1. Angers, P., Le projet éducatif de l'étudiant et les objectifs des programmes, Prospectives, vol. 10, no 1, 1974, p. 8-23.
2. Bercovitz, A., J'ignore ce que je vais apprendre, Éducation Permanente, no 34, 1976, p. 9-16.
3. Bergevin, P., A philosophy for Adult Education, New York: The Seabury Press, 1967.
4. Boshier, R.W., Motivational orientations re-visited: Life-space motivation and the Education Participation Scale, Adult Education, vol. 27, no 2, 1977, p. 89-115.
5. Burgess, P., Reasons for adult education participation in group educational activities, Adult Education, vol. 22, no 1, 1971, p. 3-29.