(1985). Service America: Doing Business in the New Economy. Dow Jones-Irwin.
Čikaški stil citiranja (17. izdanje)Service America: Doing Business in the New Economy. united states of america: Dow Jones-Irwin, 1985.
MLA način citiranja (9. izdanje)Service America: Doing Business in the New Economy. Dow Jones-Irwin, 1985.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.