The reference list ...
1. contains all sources to which you refer in your work - but only these. (Make a last check before handing in your paper.)
2. Allows the exact identification and thus the verification of each of the sources.
3. Requires that you use points, brackets, italics, etc. according to citation style.
3 facts and 3 questions before the movie starts
How does your entry in the reference list look like?
(Details depend on the requirements of your profs.)
No, not a book.
This answer is correct: The counting of volume and issue / number is always a clear indication of a journal article. In addition, the page numbers are listed in the reference list: vol. (issue), pages
No, not a working paper.
This is the right answer. On page 60 of the book you find the article by A. Hartzok, so this one is given as source.
It is not cited as a book, but as an article. By the way: Even if it was a book by only one author, the page from which you cite would not be mentioned here. It is only stated in the text directly with the citation.
This entry is wrong, because you must refer to the article, not to the book. In general, however, if you have read a book / article only in Google Books, you should probably provide the link. Always try to access the original book!
It’s good that you are careful. But if you search for this paper, you will find that it is a working paper of a university.
Here, data is missing, which you could e.g. find in EconBiz.
This answer is the right one. It would be perfectly correct, however, to cite the article of the same title which appeared some time later, because it is reviewed and more recently published.