Incoterms, 1990 :
entry into force 1st July 1990 = entrada en vigor 1 de julio de 1990

APA Citation

International Chamber of Commerce. (1990). Incoterms, 1990: entry into force 1st July 1990 = entrada en vigor 1 de julio de 1990. Versión española Barcelona, Spain: Camara de Comercio International.

MLA Citation

International Chamber of Commerce. Incoterms, 1990: Entry Into Force 1st July 1990 = Entrada En Vigor 1 De Julio De 1990. Versión española Barcelona, Spain: Camara de Comercio International, 1990.

Warning: These citations may not always be complete (especially for serials).