diff --git a/README.md b/README.md
index f23556e..f9c8582 100644
--- a/README.md
+++ b/README.md
@@ -10,4 +10,4 @@ Model: 곽수연, 곽희원
 
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-Reference: [AliaksandrSiarohin](https://github.com/AliaksandrSiarohin/first-order-model)
+Reference: [AliaksandrSiarohin](https://github.com/AliaksandrSiarohin/first-order-model) [LeadsheetArrangement](https://github.com/liuhaumin/LeadsheetArrangement)