Izvornik: Dark Blue Sheet Music by No Doubt. Gwen Renée Stefani , Tom Dumont. No Doubt. Hal Leonard , Universal. English.
Prijevod: Tamno plava Sheet Music bez sumnje. Gwen Renée Stefani, Tom Dumont. Hal Leonard, Universal. Engleski. 0-7692-9769-2. Solero.
