APA-referens (7:e uppl.)

Pfeiffer, J. W. (1989). The 1989 annual: Developing human resources (18th annual.). University Associates.

Chicago-referens (17:e uppl.)

Pfeiffer, J. William. The 1989 Annual: Developing Human Resources. 18th annual. San Diego, Calif.: University Associates, 1989.

MLA-referens (8:e uppl.)

Pfeiffer, J. William. The 1989 Annual: Developing Human Resources. 18th annual. University Associates, 1989.