Spry, R. N. (1877). The cruise of Her Majesty's Ship Challenger: Voyages over many seas, scenes in many lands. With map and illustrations (Tercera edición.). Sampson Low, Marston, Searle, & Rivington.
Chicago-čujuhus (17. p.)Spry, R. N. The Cruise of Her Majesty's Ship Challenger: Voyages over Many Seas, Scenes in Many Lands. With Map and Illustrations. Tercera edición. London, England, United Kingdom: Sampson Low, Marston, Searle, & Rivington, 1877.
MLA-čujuhus (9. p.)Spry, R. N. The Cruise of Her Majesty's Ship Challenger: Voyages over Many Seas, Scenes in Many Lands. With Map and Illustrations. Tercera edición. Sampson Low, Marston, Searle, & Rivington, 1877.
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