Goodship, V. (2007). Introduction to plastics recycling (2nd ed.). Smithers Rapra.
Lua i Stíl Chicago (17ú heag.)Goodship, Vannessa. Introduction to Plastics Recycling. 2nd ed. Shawbury, U.K.: Smithers Rapra, 2007.
Lua MLA (9ú heag.)Goodship, Vannessa. Introduction to Plastics Recycling. 2nd ed. Smithers Rapra, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.