Acetic acid, butyl ester in Linstrom, Peter J.; Mallard, William G. (eds.); NIST Chemistry WebBook, NIST Standard Reference Database Number 69, National Institute of Standards and Technology, Gaithersburg (MD), http://webbook.nist.gov (retrieved 2014-06-28)
sigmaaldrich.com
Sigma-Aldrich Co., Butyl acetate. Retrieved on 2014-06-28.