Hsu, J. (1989). Guide to commercial telecommunications services. Prentice Hall.
Chicago Style (17th ed.) CitationHsu, Jeffrey. Guide to Commercial Telecommunications Services. Englewood Cliffs, N.J: Prentice Hall, 1989.
MLA引文Hsu, Jeffrey. Guide to Commercial Telecommunications Services. Prentice Hall, 1989.
警告:這些引文格式不一定是100%准確.