Answer:
The answer is that each of these dates locates a reader on both the date the work was written by the author, and the exact year in which it has published by a specific publisher.
Explanation:
The reason for this answer comes after looking at the different formats that can be used, and chosen from, when citing different book sources, and internet articles, and books that have been published online, as well as books, and articles, that can be found on online databases. In this case, one of the formats that is being used is the MLA, format, which establishes that in citation, the information that must be provided to correctly use this source is: provide all information on the book itself, including year it was written by author, author´s name if available, and city where it was printed, if available, the link online, if it is necessary to locate the source, and finally, the year in which it was published, or made available to the public.