APA-referens (7:e uppl.)

Leatherman, D. (1990). The training trilogy: Designing programs. HRD.

Chicago-referens (17:e uppl.)

Leatherman, Dick. The Training Trilogy: Designing Programs. Mass: HRD, 1990.

MLA-referens (9:e uppl.)

Leatherman, Dick. The Training Trilogy: Designing Programs. HRD, 1990.