Laurente, . J. S. (2007). New commodities, new markets. Intersect.
Cita Chicago (17th ed.)Laurente, Jeanette S. "New Commodities, New Markets." Intersect 2007.
Cita MLA (9th ed.)Laurente, Jeanette S. "New Commodities, New Markets." Intersect, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.