Cita APA (7th ed.)
Simpson, R. B. (2002). Rubber basics. Rapra Technology Ltd..
Cita Chicago (17th ed.)
Simpson, Richard B. Rubber Basics. Shawbury, U.K.: Rapra Technology Ltd., 2002.
Cita MLA (9th ed.)
Simpson, Richard B. Rubber Basics. Rapra Technology Ltd., 2002.
Atenció: Aquestes cites poden no estar 100% correctes.