Williamson, P. R. (2001). Ship manoeuvring principles and pilotage. Witherby.
シカゴスタイル引用形Williamson, Paul R. Ship Manoeuvring Principles and Pilotage. London: Witherby, 2001.
MLA引用形式Williamson, Paul R. Ship Manoeuvring Principles and Pilotage. Witherby, 2001.
警告: この引用は必ずしも正確ではありません.