Dyfyniad APA

Locker, K. O. (2006). Business and administrative communication (7th ed.). McGraw-Hill/Irwin.

Dyfyniad Arddull Chicago

Locker, Kitty O. Business and Administrative Communication. 7th ed. Boston, Mass.: McGraw-Hill/Irwin, 2006.

Dyfyniad MLA

Locker, Kitty O. Business and Administrative Communication. 7th ed. McGraw-Hill/Irwin, 2006.

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