Dyfyniad APA

Lesikar, R. V. F. (2015). Business Communication (13th ed.). McGraw Hill.

Dyfyniad Arddull Chicago

Lesikar, Raymond V; Flatley. Business Communication. 13th ed. New Delhi: McGraw Hill, 2015.

Dyfyniad MLA

Lesikar, Raymond V; Flatley. Business Communication. 13th ed. McGraw Hill, 2015.

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