MCCRIMMON, J. M., TRIMMER, J. F., & SOMMERS, N. I. (1984). Writing with a purpose. -- 8th ed. Houghton Mifflin.
芝加哥风格引文MCCRIMMON, James M., Joseph F. TRIMMER, 与 Nancy I. SOMMERS. Writing with a Purpose. -- 8th Ed. Boston: Houghton Mifflin, 1984.
MLA引文MCCRIMMON, James M., et al. Writing with a Purpose. -- 8th Ed. Houghton Mifflin, 1984.
警告：这些引文格式不一定是100％准确.