Turnill, R. (1978). Observer's Book of Manned Spaceflight. Frederick Warne.
シカゴスタイル引用形Turnill, Reginald. Observer's Book of Manned Spaceflight. London: Frederick Warne, 1978.
MLA引用形式Turnill, Reginald. Observer's Book of Manned Spaceflight. Frederick Warne, 1978.
警告: この引用は必ずしも正確ではありません.