added references
diff --git a/README.md b/README.md
index a77d430..d66608f 100644
--- a/README.md
+++ b/README.md
@@ -3,3 +3,6 @@
 
 ## Dependencies
 https://github.com/sigu-399/gojsonpointer
+
+## References
+http://tools.ietf.org/html/draft-ietf-appsawg-json-pointer-07