Harding, L. (1994). A book in hand is worth two in the library: Quotations on books and librarianship. McFarland & Co.
芝加哥风格引文Harding, Les. A Book in Hand Is Worth Two in the Library: Quotations on Books and Librarianship. Jefferson, North Carolina: McFarland & Co, 1994.
MLA引文Harding, Les. A Book in Hand Is Worth Two in the Library: Quotations on Books and Librarianship. McFarland & Co, 1994.
警告：这些引文格式不一定是100％准确.