Dyfyniad APA

Locker, K. O., & Kaczmarek, S. K. (2007). Business communication: Building critical skills (3rd ed.). Boston, Mass.: McGraw-Hill.

Dyfyniad Arddull Chicago

Locker, Kitty O., và Stephen Kyo Kaczmarek. Business Communication: Building Critical Skills. 3rd ed. Boston, Mass.: McGraw-Hill, 2007.

Dyfyniad MLA

Locker, Kitty O., và Stephen Kyo Kaczmarek. Business Communication: Building Critical Skills. 3rd ed. Boston, Mass.: McGraw-Hill, 2007.

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