APA-referens (7:e uppl.)
Harris, R. A. (2014). Using sources effectively: Strengthening your writing and avoiding plagiarism (4th ed.). Pyrczak Pub.
Chicago-referens (17:e uppl.)
Harris, Robert A. Using Sources Effectively: Strengthening Your Writing and Avoiding Plagiarism. 4th ed. Glendale, CA: Pyrczak Pub, 2014.
MLA-referens (9:e uppl.)
Harris, Robert A. Using Sources Effectively: Strengthening Your Writing and Avoiding Plagiarism. 4th ed. Pyrczak Pub, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.