noun
the same book; the said book; ibid.
Used in formal writing, academic papers, and bibliographic references to refer to a previously mentioned book. Often corresponds to 'ibid.' in citations.
同書の第三章を参照されたい。
Please refer to Chapter 3 of the same book.
この説は同書で詳しく論じられている。
This theory is discussed in detail in the said book.