Munroe et al. 2000,第231頁. Munroe, Alexandra; Ono, Yoko; Hendricks, Jon; Altshuler, Bruce; Ross, David A.; Wenner, Jann S.; Concannon, Kevin C.; Tomii, Reiko; Sayle, Murray; Gomez, Edward M. Yes Yoko Ono. New York: Harry N. Abrams. 2000-10. ISBN 0-81094-587-8.