Verne, J. (1972). Journey to the centre of the earth: Jules Verne. Bancroft.
Lua i Stíl Chicago (17ú heag.)Verne, Jules. Journey to the Centre of the Earth: Jules Verne. London: Bancroft, 1972.
Lua MLA (8ú heag.)Verne, Jules. Journey to the Centre of the Earth: Jules Verne. Bancroft, 1972.
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