^Lawless, J., The Illustrated Encyclopedia of Essential OilsISBN 1-85230-661-0
^Robert H. Morris "Ruthenium and Osmium" in The Handbook of Homogeneous Hydrogenation.
Edited by J. G. de Vries and C. J. Elsevier, 2007, WILEY-VCH, Weinheim. ISBN 978-3-527-31161-3
^Taylor WG, Schreck CE. (1985). “Chiral-phase capillary gas chromatography and mosquito repellent activity of some oxazolidine derivatives of (+)- and (-)-citronellol”. J Pharm Sci.74 (5): 534–539. doi:10.1002/jps.2600740508. PMID2862274.