ebrary, Inc. (2003). Exploration of the seas: Voyage into the unknown. National Academies Press.
Cita Chicago (17th ed.)ebrary, Inc. Exploration of the Seas: Voyage into the Unknown. Washington, D.C.: National Academies Press, 2003.
Cita MLA (9th ed.)ebrary, Inc. Exploration of the Seas: Voyage into the Unknown. National Academies Press, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.