Ryan. Economies of Writing. Utah State University Press.
芝加哥风格引文Ryan. Economies of Writing. Utah State University Press.
MLA引文Ryan. Economies of Writing. Utah State University Press.
警告：这些引文格式不一定是100％准确.
APA引文
Ryan. Economies of Writing. Utah State University Press.
芝加哥风格引文Ryan. Economies of Writing. Utah State University Press.
MLA引文Ryan. Economies of Writing. Utah State University Press.