(1985). Service America: Doing Business in the New Economy. Dow Jones-Irwin.
Chicago-čujuhus (17. p.)Service America: Doing Business in the New Economy. united states of america: Dow Jones-Irwin, 1985.
MLA-čujuhus (9. p.)Service America: Doing Business in the New Economy. Dow Jones-Irwin, 1985.
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