Citazione Stile APA (7a Edizione)

Black, U. D. (1995). The X series recommendations: Standards for data communications (2nd ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Black, Uyless D. The X Series Recommendations: Standards for Data Communications. 2nd ed. New York: McGraw-Hill, 1995.

Citatione MLA (9a ed.)

Black, Uyless D. The X Series Recommendations: Standards for Data Communications. 2nd ed. McGraw-Hill, 1995.