This template frames Istituto Centrale per il Catalogo Unico (ICCU) SBN codes for usage inside the |id=
parameter in the various {{citation}} and {{cite xxx}}
templates, or elsewhere.
The template could be expanded to make the given code available as meta-data or to provide some error checking.
The first parameter should be the ICCU code (alternatively given as |iccu=
.
|iccu=
at the same time):