Hardwick, W. A. (1995). Handbook of brewing. Marcel Dekker.
Chicago Style (17th ed.) ZitazioaHardwick, William A. Handbook of Brewing. Nueva York: Marcel Dekker, 1995.
MLA (9th ed.) ZitazioaHardwick, William A. Handbook of Brewing. Marcel Dekker, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.