Professor Ross Collins of North Dakota State University helps to clearly lay out what is and is not considered plagiarism in his article entitled "What is Plagiarism?". He does this by thoroughly explaining the common ways students plagiarism as well as laying out ways to avoid subtle plagiarism.  He explains that in order to avoid plagiarism it is necessary to be able to cite more than two sources, and that a larger knowledge base and makes it easier to formulate an independent idea on the material. This article is directed towards college students in order to make them more effective writers and to help them to avoid plagiarism.