Leon, A. (1999). Fundamentals of Information Technology (2nd.). Vikas Publishing House PVT LTD.
芝加哥风格引文Leon, Alexis. Fundamentals of Information Technology. 2nd. Noida: Vikas Publishing House PVT LTD, 1999.
MLA引文Leon, Alexis. Fundamentals of Information Technology. 2nd. Vikas Publishing House PVT LTD, 1999.
警告：这些引文格式不一定是100％准确.