APA-ийн эшлэл(7 дахь хэвлэлт)

Harris, R. A. (2014). Using sources effectively: Strengthening your writing and avoiding plagiarism (4th ed.). Pyrczak Pub.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Harris, Robert A. Using Sources Effectively: Strengthening Your Writing and Avoiding Plagiarism. 4th ed. Glendale, CA: Pyrczak Pub, 2014.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Harris, Robert A. Using Sources Effectively: Strengthening Your Writing and Avoiding Plagiarism. 4th ed. Pyrczak Pub, 2014.