When taking notes during research, it's important to document authors, titles, and publication dates as each contributes to the credibility of the sources. Keeping track of this information aids in citation and assessing the relevance of your materials. Thus, the correct answer is D: all of these are needed items.
;
When note-taking during research, it is essential to keep notes about authors, titles, and dates of publication. Each of these elements contributes to the credibility and accuracy of your sources. Therefore, the best answer is that all these items are needed. ;