List the guidelines to avoid plagiarism.

The guidelines to avoid plagiarism are:

1. One must specify the source, which informs the reader about the basis of one's ideas and the extent of one's research.
2. To avoid plagiarism, one should refer to several sources, understand the concept, and then pen down one's understanding of the topic.
3. One should use quotation marks around all the quoted words to avoid plagiarism.