http://csl.cofc.edu/labs/writing-lab/index.php
Located in Room 107 within the Center for Student Learning in Addlestone Library, Peer consultants in the Writing Lab assists students in the writing process. The current schedule is posted on the Writing Lab website.
The libraries at the University of California, Berkeley, give excellent reasons for citing sources in addition to the avoidance of plagiarism. The following is a bulleted, paraphrased, version.
University of California Berkeley Library. "Citing your Sources and Avoiding Plagiarism."