Zhu, Betty C.R. et al.; Henderson, G; Yu, Y; Laine, RA (2003). "Toxicity and Repellency of Patchouli Oil and Patchouli Alcohol against Formosan Subterranean Termites Coptotermes formosanus Shiraki (Isoptera: Rhinotermitidae)". Journal of Agricultural and Food Chemistry51 (16): 4585–4588. doi:10.1021/jf0301495. பப்மெட்:14705881.
Zhu, Betty C.R. et al.; Henderson, G; Yu, Y; Laine, RA (2003). "Toxicity and Repellency of Patchouli Oil and Patchouli Alcohol against Formosan Subterranean Termites Coptotermes formosanus Shiraki (Isoptera: Rhinotermitidae)". Journal of Agricultural and Food Chemistry51 (16): 4585–4588. doi:10.1021/jf0301495. பப்மெட்:14705881.