(1990). Easy autocad: A tutorial approach (2nd.). McGraw-Hill publishing company.
芝加哥风格引文Easy Autocad: A Tutorial Approach. 2nd. new york: McGraw-Hill publishing company, 1990.
MLA引文Easy Autocad: A Tutorial Approach. 2nd. McGraw-Hill publishing company, 1990.
警告：这些引文格式不一定是100％准确.