Verne, J. (1954). 20,000 leagues under the sea. Collins.
Dyfyniad Arddull ChicagoVerne, Jules. 20,000 Leagues Under the Sea. London: Collins, 1954.
Dyfyniad MLAVerne, Jules. 20,000 Leagues Under the Sea. Collins, 1954.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.