Morgan, E. V. (1965). A history of money. Penguin Books.
Cita Chicago (17th ed.)Morgan, Edward Victor. A History of Money. Baltimore: Penguin Books, 1965.
Cita MLA (9th ed.)Morgan, Edward Victor. A History of Money. Penguin Books, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.