Poppen, R. (1998). Behavioral relaxation training and assessment (2nd ed.). Sage.
芝加哥风格引文Poppen, Roger. Behavioral Relaxation Training and Assessment. 2nd ed. London: Sage, 1998.
MLA引文Poppen, Roger. Behavioral Relaxation Training and Assessment. 2nd ed. Sage, 1998.
警告：这些引文格式不一定是100％准确.