diff --git a/pages/Sigman___Dos marchando juntos.md b/pages/Sigman___Dos marchando juntos.md
index 8ae7133..bb88c80 100644
--- a/pages/Sigman___Dos marchando juntos.md	
+++ b/pages/Sigman___Dos marchando juntos.md	
@@ -103,5 +103,7 @@
 		  logseq.order-list-type:: number
 		- Prinstein, M. J. (2007). *Moderators of peer contagion: A longitudinal examination of depression socialization between adolescents and their best friends*. Journal of Clinical Child and Adolescent Psychology, 36(2), 159-170.
 		  logseq.order-list-type:: number
+		- Ueno, K. (2005). *The effects of friendship networks on adolescent depressive symptoms*. Social science research, 34(3), 484-510.
+		  logseq.order-list-type:: number
 		- logseq.order-list-type:: number
 -
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