Spencer, L. (2014). Writing well in the 21st century: The five essentials. Rowman & Littlefield.
芝加哥风格引文Spencer, Linda. Writing Well in the 21st Century: The Five Essentials. Lanham, Maryland: Rowman & Littlefield, 2014.
MLA引文Spencer, Linda. Writing Well in the 21st Century: The Five Essentials. Rowman & Littlefield, 2014.
警告：这些引文格式不一定是100％准确.