Dyfyniad APA

Locker, K. O. (2003). Business and administrative communication (6th ed.). McGraw-Hill/Irwin.

Dyfyniad Arddull Chicago

Locker, Kitty O. Business and Administrative Communication. 6th ed. Boston: McGraw-Hill/Irwin, 2003.

Dyfyniad MLA

Locker, Kitty O. Business and Administrative Communication. 6th ed. McGraw-Hill/Irwin, 2003.

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