diff --git a/doc/Doxyfile b/doc/Doxyfile
index d04cc2e..5e06b30 100644
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -713,7 +713,7 @@ LAYOUT_FILE            =
 # LATEX_BIB_STYLE. To use this feature you need bibtex and perl available in the
 # search path. See also \cite for info how to create references.
 
-CITE_BIB_FILES         = 
+CITE_BIB_FILES         = references.bib
 
 #---------------------------------------------------------------------------
 # Configuration options related to warning and progress messages
diff --git a/doc/references.bib b/doc/references.bib
new file mode 100644
index 0000000..bcd4821
--- /dev/null
+++ b/doc/references.bib
@@ -0,0 +1,8 @@
+@manual{knx:3/4/1,
+    organization  = "KNX Association",
+    title         = "KNX System Specifications",
+    number        = "Chapter 3/4/1 Application Interface Layer",
+    year          =  2013,
+    month         =  12,    
+    note          = "01.01.02"
+}
\ No newline at end of file
diff --git a/src/knx/interface_object.h b/src/knx/interface_object.h
index 94ef298..a97b1c1 100644
--- a/src/knx/interface_object.h
+++ b/src/knx/interface_object.h
@@ -51,7 +51,7 @@ enum ObjectType
 };
 
 /**
- * @brief This class represents and interface object. See section 4 of 03_04_01 in the knx specification.
+ * @brief This class represents and interface object. See section 4 of @cite knx:3/4/1 03_04_01 in the knx specification.
  */
 class InterfaceObject: public SaveRestore
 {