Izvornik: Gallagher, Marriott, Derringer & Trower. Rick Derringer. Gallagher, Marriott, Derringer & Trower. Their Lives and Music. Book. Softcover.
Prijevod: Gallagher, Marriott, Derringer. Gallagher, Marriott, Derringer. Njihovi životi i glazbe. Knjiga. 294 stranice. Objavljeno Hal Leonard.