Gray, S. (2020). Steam Power and Sea Power. 1st ed. 2018. Palgrave Macmillan UK.
シカゴスタイル引用形Gray, Steven. Steam Power and Sea Power. 1st Ed. 2018. Palgrave Macmillan UK, 2020.
MLA引用形式Gray, Steven. Steam Power and Sea Power. 1st Ed. 2018. Palgrave Macmillan UK, 2020.
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