1. Abramovitch, R., Pepler, D., & Corter, C. (1982). Patterns of sibling interaction among preschool-age children. In M. E. Lamb & B. Sutton-Smith (Eds.), Sibling relationships: Their nature and significance across the lifespan (pp. 61–86). Hillsdale: Erlbaum.
2. Adler, A., & Zhang, J. X. (2018). Individual psychology. Beijing: China Zhigong Publishing House.
3. Bandura, A. (1977). Social learning theory. Englewood Cliffs: Prentice Hall.
4. Bowlby, J. (1969). Attachment and loss. Vol. 1. Attachment. New York: Basic Books.
5. Brody, G. H. (1998). Sibling relationship quality: Its causes and consequences. Annual Review of Psychology, 49, 1–24.