APA সাইটেশন

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

শিকাগো স্টাইলে সাইটেশন

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

এমএলএ সাইটেশন

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