diff --git a/MOD.md b/MOD.md
index 980d283..e9ec267 100644
--- a/MOD.md
+++ b/MOD.md
@@ -59,4 +59,11 @@ MOD_PlayNote( voiceID, sampleID, note, volume);
 
 MODs use 4 channels, which are mapped to the four first voices of the SPU by default. When calling `MOD_PlayNote()`, you should use voices > 4.
   
-See [here](https://github.com/ABelliqueux/nolibgs_hello_worlds/tree/main/hello_mod) for a complete example.
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+See [here](https://github.com/ABelliqueux/nolibgs_hello_worlds/tree/main/hello_mod) for a complete example.
+
+## Sources & Docs
+
+Nicolas Noble's modplayer : [https://github.com/grumpycoders/pcsx-redux/tree/main/src/mips/modplayer](https://github.com/grumpycoders/pcsx-redux/tree/main/src/mips/modplayer)  
+MOD format specification : [http://www.aes.id.au/modformat.html](http://www.aes.id.au/modformat.html)  
+Hitmen's original modplayer : [http://hitmen.c02.at/files/releases/psx/hit-asm-mod.zip](http://hitmen.c02.at/files/releases/psx/hit-asm-mod.zip)  
+Hitmen's MODCONV utility : [http://hitmen.c02.at/files/releases/psx/hit-hitmod15.zip](http://hitmen.c02.at/files/releases/psx/hit-hitmod15.zip)
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