Harris, R. A. (2014). Using sources effectively: Strengthening your writing and avoiding plagiarism (4th ed.). Pyrczak Pub.
芝加哥风格引文Harris, Robert A. Using Sources Effectively: Strengthening Your Writing and Avoiding Plagiarism. 4th ed. Glendale, CA: Pyrczak Pub, 2014.
MLA引文Harris, Robert A. Using Sources Effectively: Strengthening Your Writing and Avoiding Plagiarism. 4th ed. Pyrczak Pub, 2014.
警告：这些引文格式不一定是100％准确.