Heinz-Hermann Greve "Rubber, 2. Natural" in Ullmann's Encyclopedia of Industrial Chemistry, 2000, Wiley-VCH, Weinheim. Greve, Heinz‐Hermann (2000). „Rubber, 2. Natural”. Ullmann's Encyclopedia of Industrial Chemistry. ISBN9783527303854. doi:10.1002/14356007.a23_225.
Paterson-Jones, J.C.; Gilliland, M.G.; Van Staden, J. (jun 1990). „The Biosynthesis of Natural Rubber”. Journal of Plant Physiology. 136 (3): 257—263. ISSN0176-1617. doi:10.1016/S0176-1617(11)80047-7.
Xie, W.; McMahan, C.M.; Distefano, A.J. DeGraw, M.D.; et al. (2008). „Initiation of rubber synthesis: In vitro comparisons of benzophenone-modified diphosphate analogues in three rubber preducing species”. Phytochemistry. 69 (14): 2539—2545. PMID18799172. doi:10.1016/j.phytochem.2008.07.011.
Leng, Dr Loh Wei; Keong, Khor Jin (19. 9. 2011). „Mad Ridley and the rubber boom”. Malaysia History. Архивирано из оригинала 27. 7. 2013. г. Приступљено 9. 2. 2013.
nih.gov
ncbi.nlm.nih.gov
Xie, W.; McMahan, C.M.; Distefano, A.J. DeGraw, M.D.; et al. (2008). „Initiation of rubber synthesis: In vitro comparisons of benzophenone-modified diphosphate analogues in three rubber preducing species”. Phytochemistry. 69 (14): 2539—2545. PMID18799172. doi:10.1016/j.phytochem.2008.07.011.
Cornelius-Takahama, Vernon (2001). „Sir Henry Nicholas Ridley”. Singapore Infopedia. Архивирано из оригинала 4. 5. 2013. г. Приступљено 9. 2. 2013.
Leng, Dr Loh Wei; Keong, Khor Jin (19. 9. 2011). „Mad Ridley and the rubber boom”. Malaysia History. Архивирано из оригинала 27. 7. 2013. г. Приступљено 9. 2. 2013.
worldcat.org
Paterson-Jones, J.C.; Gilliland, M.G.; Van Staden, J. (jun 1990). „The Biosynthesis of Natural Rubber”. Journal of Plant Physiology. 136 (3): 257—263. ISSN0176-1617. doi:10.1016/S0176-1617(11)80047-7.