Coba jelasin Rujukan dari Drum tenor dong

James Blades et al, "Drum", sec. II, 3: Non-tunable Western drums: Tenor drum, in New Grove Dictionary of Music and Musicians, 2nd edition, Stanley Sadie, ed. Volume 7, page 614. Macmillan Publishers Limited (2001)

"The Cadets Approach to Marching Percussion" (citation not known)

Davila, Julie, "Modern Method for Multi-Tenors" Rowloff Publications