Não informado. (1976). International dredging abstracts. British Hydromechanics Research Association.
Chicagoスタイル(17版)引用形式Não informado. International Dredging Abstracts. Bedford, Inglaterra: British Hydromechanics Research Association, 1976.
MLA(8版)引用形式Não informado. International Dredging Abstracts. British Hydromechanics Research Association, 1976.
警告: この引用は必ずしも正確ではありません.