Derrick, D. (1981). Navigation For Offshore and Ocean Sailors. David&Charles.
シカゴスタイル引用形Derrick, David. Navigation For Offshore and Ocean Sailors. London: David&Charles, 1981.
MLA引用形式Derrick, David. Navigation For Offshore and Ocean Sailors. David&Charles, 1981.
警告: この引用は必ずしも正確ではありません.