diff --git a/content/blog/coding_style b/content/blog/coding_style
index 6c9f456..8fde991 100644
--- a/content/blog/coding_style
+++ b/content/blog/coding_style
@@ -13,4 +13,12 @@ Here are ideas that I currently follow:
 - early return
 - fight abstractions
 - grugg brained dev
-- don't repeat yourself thrice
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+- don't repeat yourself thrice
+
+Sources:
+
+- https://www.youtube.com/watch?v=tD5NrevFtbU
+- https://www.youtube.com/watch?v=CFRhGnuXG-4
+- https://grugbrain.dev/
+- https://testing.googleblog.com/2023/09/else-nuances.html
+- https://www.youtube.com/watch?v=bJQj1uKtnus
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