APA-referens

Ehrig, R. (1992). Plastics recycling: : products and processes. Hanser.

Chicago-stil citat

Ehrig, R.J. Plastics Recycling: : Products and Processes. Munich: Hanser, 1992.

MLA-referens

Ehrig, R.J. Plastics Recycling: : Products and Processes. Hanser, 1992.