Kirkpatrick, D. L., & Kirkpatrick, J. D. (2006). Evaluating training programs: The four levels (3rd.ed.). Tata McGraw-Hill.
Chicago-стиль цитированияKirkpatrick, Donald L., and James D. Kirkpatrick. Evaluating Training Programs: The Four Levels. 3rd.ed. New Delhi: Tata McGraw-Hill, 2006.
MLA-цитированиеKirkpatrick, Donald L., and James D. Kirkpatrick. Evaluating Training Programs: The Four Levels. 3rd.ed. Tata McGraw-Hill, 2006.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.