APA-referens (7:e uppl.)

ALBRECHT, K., & ZENKE, R. (1985). Service America: Doing business in the new economy. Dow Jones-Irwin.

Chicago-referens (17:e uppl.)

ALBRECHT, Karl, och Ron ZENKE. Service America: Doing Business in the New Economy. Homewood: Dow Jones-Irwin, 1985.

MLA-referens (9:e uppl.)

ALBRECHT, Karl, och Ron ZENKE. Service America: Doing Business in the New Economy. Dow Jones-Irwin, 1985.