LEON, A. (1999). FUNDAMENTALS OF INFORMATION TECHNOLOGY. -.
芝加哥风格引文LEON, ALEXIS. FUNDAMENTALS OF INFORMATION TECHNOLOGY. ONG: -, 1999.
MLA引文LEON, ALEXIS. FUNDAMENTALS OF INFORMATION TECHNOLOGY. -, 1999.
警告：这些引文格式不一定是100％准确.
APA引文