APA citiranje

Kirkpatrick, D. L. (1998). Evaluating training programs: The four levels (2nd ed.). Berrett-Koehler Publishers.

Chicago Style (17th ed.) Citation

Kirkpatrick, Donald L. Evaluating Training Programs: The Four Levels. 2nd ed. San Francisco: Berrett-Koehler Publishers, 1998.

MLA citiranje

Kirkpatrick, Donald L. Evaluating Training Programs: The Four Levels. 2nd ed. Berrett-Koehler Publishers, 1998.