National Institute of Standards and Technology (U.S.), North American ISDN Users' Forum, Wakid, S. A., & Roberts, K. M. (1991). ISDN conformance testing. U.S. Dept. of Commerce, National Institute of Standards and Technology ; For sale by the Supt. of Docs., U.S. G.P.O..
Цитирование в стиле Чикаго (17-е изд.)National Institute of Standards and Technology (U.S.), North American ISDN Users' Forum, Shukri A. Wakid, и Kathleen M. Roberts. ISDN Conformance Testing. Gaithersburg, MD : Washington, DC: U.S. Dept. of Commerce, National Institute of Standards and Technology ; For sale by the Supt. of Docs., U.S. G.P.O., 1991.
Цитирование MLA (8-е изд.)National Institute of Standards and Technology (U.S.), et al. ISDN Conformance Testing. U.S. Dept. of Commerce, National Institute of Standards and Technology ; For sale by the Supt. of Docs., U.S. G.P.O., 1991.