Perhaps the authors of the book, Mr. Bosc and Mr. Gagnon, need to be told that. In the 2017 edition, they seem to indicate that that is not the case. They say that, since 1867, under section 18 of the Constitution Act, Parliament has the right to require the attendance of witnesses. Perhaps you should tell them that you disagree with them, to avoid confusion.
On March 29th, 2021. See this statement in context.