Erickson, F. J., & Vonk, J. A. (1996). Effective word 7.0. Irwin.
Chicago Style (17th ed.) CitationErickson, Fritz J., and John A. Vonk. Effective Word 7.0. Chicago: Irwin, 1996.
MLA引文Erickson, Fritz J., and John A. Vonk. Effective Word 7.0. Irwin, 1996.
警告:這些引文格式不一定是100%准確.