Izvornik: Alfred's MusicTech, Book 1. Composed by Tom Rudolph, Floyd Richmond, Stefani Langol, and Lee Whitmore. Alfred's MusicTech, Book 1.
Prijevod: Alfredov MusicTech, Book 1. Sastoji Tom Rudolfa, Floyd Richmondu, Stefani Langol, i Lee Whitmore. Alfredov MusicTech, Book 1. Knjiga.