Dyfyniad APA

Locker, K. O., & Kaczmarek , S. K. (2007). Business Communication (3rd ed.). Tata McGraw Hill Publishing Company Ltd..

Dyfyniad Arddull Chicago

Locker, Kitty O., and Stephen Kyo Kaczmarek. Business Communication. 3rd ed. New Delhi: Tata McGraw Hill Publishing Company Ltd., 2007.

Dyfyniad MLA

Locker, Kitty O., and Stephen Kyo Kaczmarek. Business Communication. 3rd ed. Tata McGraw Hill Publishing Company Ltd., 2007.

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