(1991). Plastics recycling as a future business opportunity: May 22-23, 1991, at the Mayflower Hotel, Washington, D.C. : proceedings, Technology Exchange Program :. Lancaster, Pa.: Technomic Publishing Company, Inc.
Παραπομπή Chicago StylePlastics Recycling As a Future Business Opportunity: May 22-23, 1991, At the Mayflower Hotel, Washington, D.C. : Proceedings, Technology Exchange Program :. Lancaster, Pa.: Technomic Publishing Company, Inc, 1991.
Παραπομπή MLAPlastics Recycling As a Future Business Opportunity: May 22-23, 1991, At the Mayflower Hotel, Washington, D.C. : Proceedings, Technology Exchange Program :. Lancaster, Pa.: Technomic Publishing Company, Inc, 1991.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.