Dyfyniad APA

Brown, H. M. (1980). Business report writing. New York: D. van Nostran.

Dyfyniad Arddull Chicago

Brown, Harry M. Business Report Writing. New York: D. van Nostran, 1980.

Dyfyniad MLA

Brown, Harry M. Business Report Writing. New York: D. van Nostran, 1980.

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