Im a research report sources must provide information that

is credible, relevant, and up-to-date. It is important to use sources that have been peer-reviewed or published in reputable academic journals or books, as well as sources from respected organizations, government agencies, or experts in the field. The information should be objective and unbiased, and any opinions or claims should be supported by evidence. It is also important to ensure that sources are not biased by personal or political agendas, as this can compromise the integrity of the research. Additionally, the information should be current and reflective of the most recent developments and trends in the field.