In Canada, plagiarism is a serious offense that may have an immediate impact on your academic career. There are also different kinds of plagiarism that you need to be aware of, such as self-plagiarism.
Please examine the following articles and list of short tutorial for more information:
http://leddy.uwindsor.ca/avoiding_plagiarism
http://www1.uwindsor.ca/academicintegrityoffice/avoiding-plagiarism
http://www1.uwindsor.ca/academicintegrity/uw-academic-integrity-tutorial