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I wish to customize the font for when printing the reference numbers (the to the left of all references, commonly surrounded by brackets) in the biblatex package. I hope that there is some command that you can simply renew, but I'm unable to find it.

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up vote 3 down vote accepted

Redefine the labelnumberwidth field format. (In my exampe I add bold formatting.)





  author = {Author, A.},
  year = {2001},
  title = {Alpha},






enter image description here

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Works like a charm! Thank you. =) – gablin Mar 18 '13 at 10:36

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