Gaya APA

Kirkpatrick, D, L, K, A, J, D. (2005). Evaluating Training Programs (cet 1). Fracisco: Berrett-Koehler Publishers.

Gaya MLA

Kirkpatrick, Donald, L., Kirkpatrick, And, James, D.. "Evaluating Training Programs". cet 1 Fracisco: Berrett-Koehler Publishers, 2005. Text.