APA aipamena

(2008). Bel Canto for Trombone and Piano. De Haske Publications BV.

Chicago Style aipamena

Bel Canto for Trombone and Piano. Heerenveen, Holland: De Haske Publications BV, 2008.

MLA aipamena

Bel Canto for Trombone and Piano. De Haske Publications BV, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.