Jim Pipe. (2002). How Does a Trumpet Work? (How? What? Why). Copper Beech.
Lua i Stíl Chicago (17ú heag.)Jim Pipe. How Does a Trumpet Work? (How? What? Why). Copper Beech, 2002.
Lua MLA (9ú heag.)Jim Pipe. How Does a Trumpet Work? (How? What? Why). Copper Beech, 2002.
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