Guberlet, M. L. (1964). Explorers of the sea: Famous oceanographic expeditions. New York: Ronald Press Co.
Dyfyniad Arddull ChicagoGuberlet, Muriel L. Explorers of the Sea: Famous Oceanographic Expeditions. New York: Ronald Press Co, 1964.
Dyfyniad MLAGuberlet, Muriel L. Explorers of the Sea: Famous Oceanographic Expeditions. New York: Ronald Press Co, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.