http://www.bimco.org/Corporate%20Area/Documents/Document_samples/Bill_of_Ladings.aspx
http://www.businesslink.gov.uk/bdotg/action/layer?r.l1=1073858805&r.s=m&topicId=1079717544 http://www.internationaltrade.co.uk/
http://www.international.gc.ca/commerce/index.aspx?view=d
http://www.sds.es/sds/glosario.php
http://www.comexpanda.com/es/portafolio-chartering/
http://www.ubs.com/ch/en/swissbank/business_banking/finance/trade_exportfinance.html
http://es.scribd.com/doc/64352626/Documentary-Credits-in-theory-and-practice www.shipslogistics.com
* En español:
http://www.ibanezestudioaduanero.com/informacion/glosario.php
* Aula Fácil. Curso de Comercio exterior. http://www.aulafacil.com/Comex/Cursocomex.htm
http://www.wikilearning.com/articulo/comercio_exterior-definicion_del_comercio_exterior/27151-3
http://www.icex.es/icex/cda/controller/pageICEX/0,6558,5518394_5518974_5536731_0_0_-1,00.html