Cita APA (7a ed.)
Rich, K. M., & Perry, B. D. (2010). Whither commodity-based trade? Norwegian Institute of International Affairs.
Cita Chicago Style (17a ed.)
Rich, Karl M., y Brian D. Perry. Whither Commodity-based Trade? Norwegian Institute of International Affairs, 2010.
Cita MLA (9a ed.)
Rich, Karl M., y Brian D. Perry. Whither Commodity-based Trade? Norwegian Institute of International Affairs, 2010.
Precaución: Estas citas no son 100% exactas.