Poulsom, N. W. (1968). The white ribbon: A medallic record of British polar expeditions. Seaby.
Lua i Stíl Chicago (17ú heag.)Poulsom, Neville Wright. The White Ribbon: A Medallic Record of British Polar Expeditions. London: Seaby, 1968.
Lua MLA (8ú heag.)Poulsom, Neville Wright. The White Ribbon: A Medallic Record of British Polar Expeditions. Seaby, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.