What criteria will help you decide if this source is credible and useful for your research?

After completing the unit’s Learning Activities, respond to the following questions in at least two well-developed paragraphs:
Include the revised version of your thesis statement for an argument for change in your community or workplace, and identify at least three search terms you can use in the KU Library or an Internet search engine to find sources to support that thesis statement.
Find one source related to your topic. Is that source primary, secondary, or tertiary? What criteria will help you decide if this source is credible and useful for your research?
Finally, create an APA formatted References page citation for the source.
Thesis: The Legal age of drinking in America should be reduced to 18 years because it does not reduce the rate of alcohol abuse
Claim: The drinking age in the US should be changed
Warranty: If the age does not reduce alcohol abuse, it should not be applied