"Plagiarism is the reproduction or paraphrasing, without acknowledgement, from public or private (ie: unpublished) material (including material downloaded from the internet) attributable to, or which is the intellectual property of, another including the work of students."
Pecorari, Diane. Teaching To Avoid Plagiarism : How To Promote Good Source Use. McGraw-Hill Education, 2013. EBSCOhost, search.ebscohost.com/login.aspx?direct=true&db=nlebk&AN=524795&site=ehost-live.