APA引文

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

芝加哥风格引文

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

MLA引文

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

警告：这些引文格式不一定是100％准确.