Prelog, V.; Jeger, O «Leopold Ruzicka. 13 September 1887-26 September 1976». Biographical Memoirs of Fellows of the Royal Society, 26, 1980, pàg. 411. DOI: 10.1098/rsbm.1980.0013.
Ružička, L «The isoprene rule and the biogenesis of terpenic compounds». Cellular and Molecular Life Sciences, 9, (10), 1953, pàg. 357 - 367. DOI: 10.1007/BF02167631.