UPDIKE, J. (1979). Problems and other stories. Ballantine Books.
Cita Chicago (17th ed.)UPDIKE, John. Problems and Other Stories. Ballantine Books, 1979.
Cita MLA (9th ed.)UPDIKE, John. Problems and Other Stories. Ballantine Books, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.