FREY, D. (2007). AUTOCAD 2008 AND AUTOCAD LT 2008. WILEY INDIA.
芝加哥风格引文FREY, D. AUTOCAD 2008 AND AUTOCAD LT 2008. NEW DELHI: WILEY INDIA, 2007.
MLA引文FREY, D. AUTOCAD 2008 AND AUTOCAD LT 2008. WILEY INDIA, 2007.
警告：这些引文格式不一定是100％准确.
APA引文