Soule, G. (1968). Undersea Frontiers: Exploring by deep diving submarines. Chicago: Rand McNally & Company.
Chicago Style aipamenaSoule, Gardner. Undersea Frontiers: Exploring By Deep Diving Submarines. Chicago: Rand McNally & Company, 1968.
MLA aipamenaSoule, Gardner. Undersea Frontiers: Exploring By Deep Diving Submarines. Chicago: Rand McNally & Company, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.