Cita APA (7th ed.)

Nielsen, J. U. (1995). International economics: The wealth of open nations. .McGraw-Hill Book Co.

Cita Chicago (17th ed.)

Nielsen, Jorgen Ulff-Moller. International Economics: The Wealth of Open Nations. London ; New York: .McGraw-Hill Book Co, 1995.

Cita MLA (9th ed.)

Nielsen, Jorgen Ulff-Moller. International Economics: The Wealth of Open Nations. .McGraw-Hill Book Co, 1995.

Atenció: Aquestes cites poden no estar 100% correctes.