Crawford, F. M. (1894). The upper berth. G.P. Putnam's Sons.
Lua i Stíl Chicago (17ú heag.)Crawford, F. Marion. The Upper Berth. New York [etc.]: G.P. Putnam's Sons, 1894.
Lua MLA (8ú heag.)Crawford, F. Marion. The Upper Berth. G.P. Putnam's Sons, 1894.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.