↑Smith, Chris (2006). The Greenwood Encyclopedia of Rock History: From Arenas to the Underground, 1974–80. Greenwood Press. pp. 88, 94–95, 215. ISBN0-313-32937-0.
↑Brackett, Nathan; Hoard, Christian (2004). The New Rolling Stone Album Guide (4th ed.). Fireside. p. 303. ISBN0-394-72107-1.
↑Donald Brackett, Fleetwood Mac: 40 Years of Creative Chaos (Westport, CT: Praeger Publishers, 2007), p. 2
↑ 7.07.17.27.3Music in American Life: An Encyclopedia of the Songs, Styles, Stars, and, ed. Jacqueline Edmondson (Santa Barbara, California: Greenwood, 2013), p. 450