Jones, J. (1993). Playing chord progressions on the guitar in any key. Hal Leonard.
Chicago-referens (17:e uppl.)Jones, Joff. Playing Chord Progressions on the Guitar in Any Key. Milwaukee, Wis: Hal Leonard, 1993.
MLA-referens (9:e uppl.)Jones, Joff. Playing Chord Progressions on the Guitar in Any Key. Hal Leonard, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.