Jim Pipe. (2002). How Does a Trumpet Work? (How? What? Why). Copper Beech.
Chicago-viite (17. p.)Jim Pipe. How Does a Trumpet Work? (How? What? Why). Copper Beech, 2002.
MLA-viite (9. p.)Jim Pipe. How Does a Trumpet Work? (How? What? Why). Copper Beech, 2002.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.