Cita APA (7th ed.)

Nielsen, J. U., Drud Hansen, J., & Heinrich, H. (1992). An Economic analysis of the EC. McGraw-Hill.

Cita Chicago (17th ed.)

Nielsen, Jorgen Ulff-Moller, Jorgen Drud Hansen, i Hans Heinrich. An Economic Analysis of the EC. London: McGraw-Hill, 1992.

Cita MLA (9th ed.)

Nielsen, Jorgen Ulff-Moller, et al. An Economic Analysis of the EC. McGraw-Hill, 1992.