Horsman, P., V. (1985). Seafarer's guide to marine life. Croom Helm.
Dyfyniad Arddull ChicagoHorsman, Paul, V. Seafarer's Guide to Marine Life. London: Croom Helm, 1985.
Dyfyniad MLAHorsman, Paul, V. Seafarer's Guide to Marine Life. Croom Helm, 1985.
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