Hoyt, E. (2001). Creatures of the deep: In search of the sea's monsters and the world they live in. Firefly books.
Dyfyniad Arddull ChicagoHoyt, Erich. Creatures of the Deep: In Search of the Sea's Monsters and the World They Live in. Canada: Firefly books, 2001.
Dyfyniad MLAHoyt, Erich. Creatures of the Deep: In Search of the Sea's Monsters and the World They Live in. Firefly books, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.