GUPTA, N. K. (2000). THE BUSINESS OF TELECOMMUNICATION. TATA MCGRAW HILL.
Chicagoスタイル(17版)引用形式GUPTA, N K. THE BUSINESS OF TELECOMMUNICATION. NEW DELHI: TATA MCGRAW HILL, 2000.
MLA(9版)引用形式GUPTA, N K. THE BUSINESS OF TELECOMMUNICATION. TATA MCGRAW HILL, 2000.
警告: この引用は必ずしも正確ではありません.