(Translated by https://www.hiragana.jp/)
Citer
Shortened footnote and citation:
{{sfn | Kojima | 1963 | p=}}
* {{cite book | last=Kojima | first=Takashi | title=Advanced Abacus | publisher=Tuttle Publishing | date=1963 | isbn=0-8048-0003-0}}
Named reference:
<ref name="r966">{{cite book | last=Kojima | first=Takashi | title=Advanced Abacus | publisher=Tuttle Publishing | date=1963 | isbn=0-8048-0003-0 | page=}}</ref>