Lua APA (7ú heag.)
ebrary, Inc, Wolf, H., & Wolf, R. F. (2009). Rubber: A story of glory and greed. Smithers Rapra Technology, Ltd..
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, Howard Wolf, agus Ralph F. Wolf. Rubber: A Story of Glory and Greed. Shrewsbury: Smithers Rapra Technology, Ltd., 2009.
Lua MLA (9ú heag.)
ebrary, Inc, et al. Rubber: A Story of Glory and Greed. Smithers Rapra Technology, Ltd., 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.