Dyfyniad APA
Barry, B. (2007). Speechless: The erosion of free expression in the American workplace. Berrett-Koehler Publishers.
Dyfyniad Arddull Chicago
Barry, Bruce. Speechless: The Erosion of Free Expression in the American Workplace. San Francisco: Berrett-Koehler Publishers, 2007.
Dyfyniad MLA
Barry, Bruce. Speechless: The Erosion of Free Expression in the American Workplace. Berrett-Koehler Publishers, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.