Soule, G. (1970). Wide ocean: Discoveries at sea. Rand McNally.
Chicago Style (17th ed.) ZitazioaSoule, Gardner. Wide Ocean: Discoveries at Sea. Chicago: Rand McNally, 1970.
MLA (9th ed.) ZitazioaSoule, Gardner. Wide Ocean: Discoveries at Sea. Rand McNally, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.