1. Adler, A. (1947). Alfred Adler’s viewpoint on child guidance. In E. Harms (Ed.), Handbook of child guidance (pp. 707–722). Child Care Publications.
2. Ainsworth, M. D. S. (1967). Infancy in Uganda: Infant care and the growth of love. Johns Hopkins Press.
3. Ainsworth, M. D. S., & Bell, S. M. (1970). Attachment, exploration, and separation: Illustrated by the behavior of one-year-olds in a strange situation. Child Development, 41, 49–67.
4. Ainsworth, M. D. S., & Wittig, B. A. (1969). Attachment and the exploratory behaviour of one-year-olds in a strange situation. In B. M. Foss (Ed.), Determinants of infant behaviour (Vol. 4, pp. 113–136). Methuen.
5. Alexander, F., Eisenstein, S., & Grotjahn, M. (Eds.). (1995). Psychoanalytic pioneers. Transaction Publishers.