GUPTA, N. K. (2000). THE BUSINESS OF TELECOMMUNICATION. TATA MCGRAW HILL.
芝加哥风格引文GUPTA, N K. THE BUSINESS OF TELECOMMUNICATION. NEW DELHI: TATA MCGRAW HILL, 2000.
MLA引文GUPTA, N K. THE BUSINESS OF TELECOMMUNICATION. TATA MCGRAW HILL, 2000.
警告：这些引文格式不一定是100％准确.