Dyfyniad APA

Locker, K. O., & Kienzler, D. S. (2008). Business and administrative communication (8th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Locker, Kitty O., and Donna S. Kienzler. Business and Administrative Communication. 8th ed. Boston: McGraw-Hill, 2008.

Dyfyniad MLA

Locker, Kitty O., and Donna S. Kienzler. Business and Administrative Communication. 8th ed. McGraw-Hill, 2008.

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