Hsu, J. (1989). Guide to commercial telecommunications services. Prentice Hall.
Chicagoスタイル(17版)引用形式Hsu, Jeffrey. Guide to Commercial Telecommunications Services. Englewood Cliffs, N.J: Prentice Hall, 1989.
MLA(9版)引用形式Hsu, Jeffrey. Guide to Commercial Telecommunications Services. Prentice Hall, 1989.
警告: この引用は必ずしも正確ではありません.