1. Bastiensen L (2000) Interbrew beer book. Leuven
2. BJCP (2008) Style guidelines for beer. Mead & Cider
3. Jackson M (1997) Michael Jackson’s beer companion. Duncan Baird, London
4. Oliver G (2012) The Oxford companion to beer. Oxford University Press, New York
5. Mittag R (2013) Prud’homme Beer Certification®. Toronto