McDougal Littell, Bell, K. L., Schaffrath, S. D., & Trost, M. A. (1987). McDougal, Littell English (Teacher's ed.). McDougal, Littell & Co..
Chicago Style (17th ed.) CitationMcDougal Littell, Kathleen L. Bell, Susan Duffy Schaffrath, and Mary Ann Trost. McDougal, Littell English. Teacher's ed. Evanston: McDougal, Littell & Co., 1987.
MLA引文McDougal Littell, et al. McDougal, Littell English. Teacher's ed. McDougal, Littell & Co., 1987.
警告:这些引文格式不一定是100%准确.