1. Ainsworth, M. D. S. (1979). Infant-mother attachment. American Psychologist, 34(10), 932–937.
2. 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(1), 49–67.
3. Allen, J. P., & Land, D. (1999). Attachment in adolescence. In J. Cassidy, & P. R. Shaver (Eds.), Handbook of attachment theory, research and clinical applications. New York: Gullford.
4. Amiri, F., Banijamali, S., Ahadi, H., & Ahadi, Y. (2013). The relationship between attachment style and self-efficacy beliefs with regard to sex. European Journal of Experimental Biology, 3(1), 699–704.
5. Bandura, A. (1977). Self-efficacy: toward a unifying theory of behavioral change. Psychological Review, 84(2), 191–215.