Londoño Restrepo, S. H. (2013). Labour informality in Colombia and peddlers in Medellin: A study to review the state of the art. Corporación Universitaria Americana.
Chicago Style (17th ed.) CitationLondoño Restrepo, Santiago Humberto. Labour Informality in Colombia and Peddlers in Medellin: A Study to Review the State of the Art. Corporación Universitaria Americana, 2013.
MLA引文Londoño Restrepo, Santiago Humberto. Labour Informality in Colombia and Peddlers in Medellin: A Study to Review the State of the Art. Corporación Universitaria Americana, 2013.
警告：這些引文格式不一定是100％准確.