Williams, R. C. (2003). The historian's toolbox: A student's guide to the theory and craft of history. M.E. Sharpe.
芝加哥风格引文Williams, Robert Chadwell. The Historian's Toolbox: A Student's Guide to the Theory and Craft of History. Armonk, New York: M.E. Sharpe, 2003.
MLA引文Williams, Robert Chadwell. The Historian's Toolbox: A Student's Guide to the Theory and Craft of History. M.E. Sharpe, 2003.
警告：这些引文格式不一定是100％准确.