Davies, P. M. (1981). A Welcome to Orkney: Peter Maxwell Davies. Boosey & Hawkes.
Lua i Stíl Chicago (17ú heag.)Davies, Peter Maxwell. A Welcome to Orkney: Peter Maxwell Davies. London: Boosey & Hawkes, 1981.
Lua MLA (8ú heag.)Davies, Peter Maxwell. A Welcome to Orkney: Peter Maxwell Davies. Boosey & Hawkes, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.