Escher, W. (1993). Swinging Trumpets: 20 Easy Duets for 2 Trumpets in B - 20 leichte Duette für 2 Trompeten in B / Wolf Escher. Schott.
Čikaški stil citiranja (17. izdanje)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.
MLA način citiranja (8. izdanje)Escher, Wolf. Swinging Trumpets: 20 Easy Duets for 2 Trumpets in B - 20 Leichte Duette Für 2 Trompeten in B / Wolf Escher. Schott, 1993.
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