You need to develop about 8 slides PPT, accompanied by speech notes for each slide. After that, present the speech notes in a separate word doc, for easy practice for the client.
So you will deliver a PPT, plus a speech draft.
The ppt needs to include the citation to provide credibility
Because I found this by myself, it may not be completely accurate. If the writer finds it useful and can be used, if it is useless, look for it by himself.