...ha | pa = [[File:Ambox warning blue construction.svg|40x40px|link=|alt=Pre-alpha]] | alpha | a = [[File:Alpha lowercase.svg|26x26px|link=|alt=Alpha]]

...single-column list will be generated if there are fewer than 10 references in the list. If you have more than 10 references, it will use columns of 30em ...t one if used): the minimum width for each column of references, typically in [[em (typography)#CSS|em]]s. Syntax (for example) {{para||30em}} with no sp