Smith, D. (1975). An illustrated guide to diving. W. Luscombe.
Dyfyniad Arddull ChicagoSmith, Dick. An Illustrated Guide to Diving. London: W. Luscombe, 1975.
Dyfyniad MLASmith, Dick. An Illustrated Guide to Diving. W. Luscombe, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.