While the following resources from Duke University speak about plagiarism in the context of being a Duke student, many of the principles apply to any college and university student, including those at Barton.
This link takes you to a page by Simone Watson on the Duke University web site that explains the importance of proper citations, and why failure to document your sources correctly can lead to charges of plagiarism.
This tutorial put together by Duke University personnel walks you through the definition of plagiarism, instances of intentional and unintentional plagiarism, scholarly procedures to avoid plagiarism, and more useful information.
Plagiarism.org is a free resource sponsored by iParadigms LLC, makers of Turnitin, WriteCheck, and iThenticate. This is an informational resource that will help you learn about, understand, and avoid falling afoul of plagiarism.