Norby, H. (1944). Questions and answers for deck officers. McGraw hill.
シカゴスタイル引用形Norby, H. Questions and Answers for Deck Officers. New york: McGraw hill, 1944.
MLA引用形式Norby, H. Questions and Answers for Deck Officers. McGraw hill, 1944.
警告: この引用は必ずしも正確ではありません.