Julaihi, L. C. J. (April 2002). "Isonandra lanceolata Wight"(PDF). In Soepadmo, E.; Saw, L. G.; Chung, R. C. K. (eds.). Tree Flora of Sabah and Sarawak. (free online from the publisher, lesser resolution scan PDF versions). Vol. 4. Forest Research Institute Malaysia. p. 220. ISBN983-2181-27-5. Retrieved 27 October 2013.