Kirkpatrick, D. L., & Kirkpatrick, J. D. (2006). Evaluating training programs: The four levels (3rd.ed.). Tata McGraw-Hill.
Chicago Style citaatKirkpatrick, Donald L., en James D. Kirkpatrick. Evaluating Training Programs: The Four Levels. 3rd.ed. New Delhi: Tata McGraw-Hill, 2006.
MLA citatieKirkpatrick, Donald L., en James D. Kirkpatrick. Evaluating Training Programs: The Four Levels. 3rd.ed. Tata McGraw-Hill, 2006.
Let op: Deze citaties zijn niet altijd 100% accuraat.