Kirkpatrick, D. L. (1994). Evaluating training programs: The four levels. Berret-Koehler.
芝加哥风格引文Kirkpatrick, Donald L. Evaluating Training Programs: The Four Levels. San Francisco: Berret-Koehler, 1994.
MLA引文Kirkpatrick, Donald L. Evaluating Training Programs: The Four Levels. Berret-Koehler, 1994.
警告：这些引文格式不一定是100％准确.