Dyfyniad APA

MURPHY, H. A. (1980). Effective Business Communications Herta A. Murphy ; Charles E. Peck. McGraw-Hill.

Dyfyniad Arddull Chicago

MURPHY, Herta A. Effective Business Communications Herta A. Murphy ; Charles E. Peck. McGraw-Hill, 1980.

Dyfyniad MLA

MURPHY, Herta A. Effective Business Communications Herta A. Murphy ; Charles E. Peck. McGraw-Hill, 1980.

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