Freeman, O. W. (1951). Geography of the Pacific. John Wiley & Sons, Inc.
Lua i Stíl Chicago (17ú heag.)Freeman, Otis Willard. Geography of the Pacific. New York: John Wiley & Sons, Inc, 1951.
Lua MLA (9ú heag.)Freeman, Otis Willard. Geography of the Pacific. John Wiley & Sons, Inc, 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.