Answer:
A word-for-word reference to a text is called a <u>direct quotation</u>.
Explanation:
The term you're looking for is <em>direct quotation.</em> When writing a research paper or essay, you can take words from another author's work or from your own previously published work and directly quote them.
A paraphrase is a reference to a text put in your own words.
A summary is a shortened version of a piece of writing (e.g. an article, poem, book chapter, entire book).
A thesis statement is one sentence that expresses the main idea of a research paper or essay.