Hill,M.N. (1963). Sea: :ideas and observations on progress in the study of the seas:v.2. Interscience publishers.
Dyfyniad Arddull ChicagoHill,M.N. Sea: :ideas and Observations on Progress in the Study of the Seas:v.2. New york: Interscience publishers, 1963.
Dyfyniad MLAHill,M.N. Sea: :ideas and Observations on Progress in the Study of the Seas:v.2. Interscience publishers, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.