Frick, E. (2017). Information technology essentials: An introduction to information technology. Eric Frick.
芝加哥风格引文Frick, Eric. Information Technology Essentials: An Introduction to Information Technology. [Columbus, Ohio]: Eric Frick, 2017.
MLA引文Frick, Eric. Information Technology Essentials: An Introduction to Information Technology. Eric Frick, 2017.
警告：这些引文格式不一定是100％准确.