1. The Parent Development Interview;Aber,1985
2. Infancy in Uganda: Infant care and the growth of love;Ainsworth,1967
3. Individual differences in strange-situation behaviour of one-year-olds;Ainsworth,1971
4. Patterns of attachment: A psychological study of the Strange Situation;Ainsworth,1978
5. Attachment and the exploratory behaviour of one-year-olds in a strange situation;Ainsworth,1969