ebrary, Inc. (2003). Exploration of the seas: Interim report. National Academies Press.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc. Exploration of the Seas: Interim Report. Washington, D.C.: National Academies Press, 2003.
Lua MLA (9ú heag.)ebrary, Inc. Exploration of the Seas: Interim Report. National Academies Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.