Linlin Zhang; Natalie d. Eggum-Wilkens; Nancy Eisenberg; Tracy l. Spinrad (2017). "Children's Shyness, Peer Acceptance, and Academic Achievement in the Early School Years". Merrill-Palmer Quarterly. 63 (4): 458. doi:10.13110/merrpalmquar1982.63.4.0458. S2CID148983248.
Linlin Zhang; Natalie d. Eggum-Wilkens; Nancy Eisenberg; Tracy l. Spinrad (2017). "Children's Shyness, Peer Acceptance, and Academic Achievement in the Early School Years". Merrill-Palmer Quarterly. 63 (4): 458. doi:10.13110/merrpalmquar1982.63.4.0458. S2CID148983248.