APA-referens (7:e uppl.)

Collier, D. A. (1987). Service management: Operating decisions. Prentice-Hall.

Chicago-referens (17:e uppl.)

Collier, David A. Service Management: Operating Decisions. Englewood Cliffs N.J: Prentice-Hall, 1987.

MLA-referens (9:e uppl.)

Collier, David A. Service Management: Operating Decisions. Prentice-Hall, 1987.