Dyfyniad APA

Robertson, J. (2002). Business communication/J.L Robertson. Golden Books Centre.

Dyfyniad Arddull Chicago

Robertson, J.L. Business Communication/J.L Robertson. Golden Books Centre, 2002.

Dyfyniad MLA

Robertson, J.L. Business Communication/J.L Robertson. Golden Books Centre, 2002.

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