Citazione Stile APA (7a Edizione)

Bell, W. J. (1975). Tuba warm-ups and daily routine: For all tubas, trombones and baritones ; from the William J. Bell complete tuba method. Colin.

Citazione stile Chigago Style (17a edizione)

Bell, William J. Tuba Warm-ups and Daily Routine: For All Tubas, Trombones and Baritones ; from the William J. Bell Complete Tuba Method. New York, NY: Colin, 1975.

Citatione MLA (8a ed.)

Bell, William J. Tuba Warm-ups and Daily Routine: For All Tubas, Trombones and Baritones ; from the William J. Bell Complete Tuba Method. Colin, 1975.