Escher, W. (1993). Swinging Trumpets: 20 Easy Duets for 2 Trumpets in B - 20 leichte Duette für 2 Trompeten in B / Wolf Escher. Schott.
Citazione stile Chigago Style (17a edizione)Escher, Wolf. Swinging Trumpets: 20 Easy Duets for 2 Trumpets in B - 20 Leichte Duette Für 2 Trompeten in B / Wolf Escher. Mainz: Schott, 1993.
Citatione MLA (8a ed.)Escher, Wolf. Swinging Trumpets: 20 Easy Duets for 2 Trumpets in B - 20 Leichte Duette Für 2 Trompeten in B / Wolf Escher. Schott, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.