British Federation of Music Festivals. Year book. The Federation.
Citazione stile Chigago Style (17a edizione)British Federation of Music Festivals. Year Book. Macclesfield, Cheshire: The Federation.
Citatione MLA (8a ed.)British Federation of Music Festivals. Year Book. The Federation.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.