diff --git a/2025/Todoist + gcal timeblocking-daytheming.md b/2025/Todoist + gcal timeblocking-daytheming.md
index 22be83a..4a1ec88 100644
--- a/2025/Todoist + gcal timeblocking-daytheming.md	
+++ b/2025/Todoist + gcal timeblocking-daytheming.md	
@@ -17,4 +17,10 @@ Themes
 Kanban status via labels
 `TODO`
 `Planned`
-`Done`
\ No newline at end of file
+`Done`
+
+## References
+
+* https://www.todoist.com/productivity-methods/time-blocking
+* https://www.todoist.com/productivity-methods/kanban
+* https://www.todoist.com/help/articles/introduction-to-filters-V98wIH
\ No newline at end of file