ALBRECHT, K., & ZENKE, R. (1985). Service America: Doing business in the new economy. Dow Jones-Irwin.
Čikaški stil citiranja (17. izdanje)ALBRECHT, Karl, i Ron ZENKE. Service America: Doing Business in the New Economy. Homewood: Dow Jones-Irwin, 1985.
MLA način citiranja (9. izdanje)ALBRECHT, Karl, i Ron ZENKE. Service America: Doing Business in the New Economy. Dow Jones-Irwin, 1985.
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