Dyfyniad APA

(1985). Service America: Doing Business in the New Economy. Dow Jones-Irwin.

Dyfyniad Arddull Chicago

Service America: Doing Business in the New Economy. united states of america: Dow Jones-Irwin, 1985.

Dyfyniad MLA

Service America: Doing Business in the New Economy. Dow Jones-Irwin, 1985.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.