Frisch, K. C., & Klempner, D. P. (2001). Recycling of polyurethanes. Technomic Publishing Company.
Chicago Stili AlıntıFrisch, Kurt C., ve Daniel Prentice Klempner. Recycling of Polyurethanes. Lancaster: Technomic Publishing Company, 2001.
MLA AlıntıFrisch, Kurt C., ve Daniel Prentice Klempner. Recycling of Polyurethanes. Technomic Publishing Company, 2001.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..