Oxholm, A. H. (1949). The Virgin Islands of the United States: An opportunity and a challenge.
Lua i Stíl Chicago (17ú heag.)Oxholm, Axel Hansteen. The Virgin Islands of the United States: An Opportunity and a Challenge. [n.p.], 1949.
Lua MLA (8ú heag.)Oxholm, Axel Hansteen. The Virgin Islands of the United States: An Opportunity and a Challenge. 1949.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.