diff --git a/doc/REFERENCES.md b/doc/REFERENCES.md
index 8b1159f..01926a0 100644
--- a/doc/REFERENCES.md
+++ b/doc/REFERENCES.md
@@ -1,3 +1,4 @@
 # References
  - https://paolopatierno.wordpress.com/2017/04/04/hostpath-based-volumes-dynamic-provisioned-on-openshift/
+ - https://github.com/kubernetes-incubator/external-storage/tree/master/docs/demo/hostpath-provisioner