Gaya APA

Gorrese, A., Ruggieri, R. (2012). Peer Attachment: A Meta-analytic Review of Gender and Age Differences and Associations with Parent Attachment . New York: Springer Science+Business Media.

Gaya MLA

Gorrese, Anna., Ruggieri, Ruggero. "Peer Attachment: A Meta-analytic Review of Gender and Age Differences and Associations with Parent Attachment". New York: Springer Science+Business Media, 2012. e-journal.