Record number of Michigan wineries make ice wine in 2002 vintage, (January 2, 2003), Sandra Silfven, Detroit News, accessed July 18, 2006.存档副本. [2011-02-25]. (原始内容存档于2003-06-13).
Record number of Michigan wineries make ice wine in 2002 vintage, (January 2, 2003), Sandra Silfven, Detroit News, accessed July 18, 2006.存档副本. [2011-02-25]. (原始内容存档于2003-06-13).