Não informado. (1968). Industrial fishery products situation & outlook. U.S. Department of the Interior, Bureau of Commercial Fisheries.
Citação do estilo Chicago (17ª ed.)Não informado. Industrial Fishery Products Situation & Outlook. Washington: U.S. Department of the Interior, Bureau of Commercial Fisheries, 1968.
Citação MLA (8ª ed.)Não informado. Industrial Fishery Products Situation & Outlook. U.S. Department of the Interior, Bureau of Commercial Fisheries, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.