↑Charles Chalfant, Maurizio Del Poeta (2010). Sphingolipids as signaling and regulatory molecules (1st Ed izd.). Springer. ISBN1441967400.
↑Guido Tettamanti, Gianfrancesco Goracci, Abel Lajtha (2009). Handbook of Neurochemistry and Molecular Neurobiology: Neural Lipids (3rd ed izd.). Springer. 0387303456.