Bentzon, N. V. (1965). In the Zoo: For Solo Accordion op. 164 / Niels Viggo Bentzon. Hohner.
Lua i Stíl Chicago (17ú heag.)Bentzon, Niels Viggo. In the Zoo: For Solo Accordion Op. 164 / Niels Viggo Bentzon. Trossingen: Hohner, 1965.
Lua MLA (8ú heag.)Bentzon, Niels Viggo. In the Zoo: For Solo Accordion Op. 164 / Niels Viggo Bentzon. Hohner, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.