Hoyt, E. (2001). Creatures of the deep: In search of the sea's monsters and the world they live in. Firefly books.
Chicago-viite (17. p.)Hoyt, Erich. Creatures of the Deep: In Search of the Sea's Monsters and the World They Live in. Canada: Firefly books, 2001.
MLA-viite (9. p.)Hoyt, Erich. Creatures of the Deep: In Search of the Sea's Monsters and the World They Live in. Firefly books, 2001.
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