Cita APA (7a ed.)
ebrary, Inc, & Lignelli, P. R. (2008). European Union and trade barriers in Europe. Nova Science Publishers.
Cita Chicago Style (17a ed.)
ebrary, Inc, y Paula R. Lignelli. European Union and Trade Barriers in Europe. New York: Nova Science Publishers, 2008.
Cita MLA (9a ed.)
ebrary, Inc, y Paula R. Lignelli. European Union and Trade Barriers in Europe. Nova Science Publishers, 2008.
Precaución: Estas citas no son 100% exactas.