the book suggests, whenever possible, to use a source citation to strengthen this section of the…

the book suggests, whenever possible, to use a source citation to strengthen this section of the introduction (for example adding research or testimony from a source).\nsignificance statement\ngreeting\ntopic revelation statement\ncredibility statement
Answer
Brief Explanations:
A credibility statement is strengthened by source - citations like research or testimony. Adding such elements from a source in the introduction section helps build trust in the information presented.
Answer:
Credibility Statement