Nichols, C. R. (2010). Encyclopedia of marine science. Viva books.
Dyfyniad Arddull ChicagoNichols, C Reid. Encyclopedia of Marine Science. New Delhi: Viva books, 2010.
Dyfyniad MLANichols, C Reid. Encyclopedia of Marine Science. Viva books, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.