Dyfyniad APA

Garner Bryan A. (2012). Better Business Writing. Harvard Bus. School.

Dyfyniad Arddull Chicago

Garner Bryan A. Better Business Writing. Boston: Harvard Bus. School, 2012.

Dyfyniad MLA

Garner Bryan A. Better Business Writing. Harvard Bus. School, 2012.

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