diff --git a/journal/2022-12-05.md b/journal/2022-12-05.md
index 0a0c1cf27..42ff4e2cd 100644
--- a/journal/2022-12-05.md
+++ b/journal/2022-12-05.md
@@ -2,3 +2,5 @@
   - [[agora chapter]]
     - [[elinor ostrom]]
       - [[understanding knowledge as a commons]]
+    - [[christopher alexander]]
+      - [[notes on the synthesis of form]].
diff --git a/understanding knowledge as a commons.md b/understanding knowledge as a commons.md
index cc2542454..495b417a3 100644
--- a/understanding knowledge as a commons.md	
+++ b/understanding knowledge as a commons.md	
@@ -1,4 +1,5 @@
 - a [[book]]
+  - #apa Hess, C., & Ostrom, E. (2019). Understanding knowledge as a commons—From theory to practice. The MIT Press.
 	- by [[charlotte hess]] and [[elinor ostrom]]
 		- goodreads has this under [[charlotte hess]]
 		- only 3.7 :(