Buku Teks
Kirkpatrick, Larry D., author
Thomson, Brooks, 2007
Buku Teks
edited by Yufan Hao and Guocang Huan
Phanteon Books, 1989
Buku Teks
Kirkpatrick, Larry D., author
Brooks/Cole Cengage Learning, 2010
Buku Teks
edited by Sidney Mailick; The United Nations Institute for Training and Research
Anchor Press, 1974
Buku Teks