Timm, s. (1980). Directory of ship owners , ship builders and marine engineers. Marine week.
シカゴスタイル引用形Timm, simon. Directory of Ship Owners , Ship Builders and Marine Engineers. England: Marine week, 1980.
MLA引用形式Timm, simon. Directory of Ship Owners , Ship Builders and Marine Engineers. Marine week, 1980.
警告: この引用は必ずしも正確ではありません.