Ehrig, R. (1992). Plastics recycling: : products and processes. Hanser.
Chicago Edition CitationEhrig, R.J. Plastics Recycling: : Products and Processes. Munich: Hanser, 1992.
Cita MLAEhrig, R.J. Plastics Recycling: : Products and Processes. Hanser, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.