Worcester, R. L. (1989). In print: How to plan and produce print. MAI.
芝加哥风格引文Worcester, Robert L. In Print: How to Plan and Produce Print. Bloomingdale, Ill.: MAI, 1989.
MLA引文Worcester, Robert L. In Print: How to Plan and Produce Print. MAI, 1989.
警告：这些引文格式不一定是100％准确.