Dyfyniad APA

Office of Telecommunications. (1986). A completitive assessment of the U.S. digital central office switch industry. New York: Department of Commerce.

Dyfyniad Arddull Chicago

Office of Telecommunications. A Completitive Assessment of the U.S. Digital Central Office Switch Industry. New York: Department of Commerce, 1986.

Dyfyniad MLA

Office of Telecommunications. A Completitive Assessment of the U.S. Digital Central Office Switch Industry. New York: Department of Commerce, 1986.

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