SHELTOR, N., & BURTON, S. (1994). Assertiveness skills. Businnes One Irwin.
芝加哥风格引文SHELTOR, Nelda, 与 Sharon BURTON. Assertiveness Skills. Burr Ridge: Businnes One Irwin, 1994.
MLA引文SHELTOR, Nelda, 与 Sharon BURTON. Assertiveness Skills. Businnes One Irwin, 1994.
警告：这些引文格式不一定是100％准确.