Donaldson, P. (1998). A question of economics. New York: Penguin Books.
Chicago Style CitationDonaldson, Peter. A Question of Economics. New York: Penguin Books, 1998.
Cita MLADonaldson, Peter. A Question of Economics. New York: Penguin Books, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.